To cite gtexr in publications use:

Warwick A, Zuckerman B, Ung C, Luben R, Olvera-Barrios A (2025). “gtexr: A convenient R interface to the Genotype-Tissue Expression (GTEx) Portal API.” Journal of Open Source Software, 10(109), 8249. ISSN 2475-9066, doi:10.21105/joss.08249, gigs v0.2.1.

Warwick A, Zuckerman B, Olvera-Barrios A, Ung C, Luben R (2024). Query the GTEx Portal API. https://github.com/ropensci/gtexr.

Lonsdale J, Thomas J, Salvatore M, Phillips R, Lo E, Shad S, Hasz R, Walters G, Garcia F, Young N, Foster B, Moser M, Karasik E, Gillard B, Ramsey K, Sullivan S, Bridge J, Magazine H, Syron J, Fleming J, Siminoff L, Traino H, Mosavel M, Barker L, Jewell S, Rohrer D, Maxim D, Filkins D, Harbach P, Cortadillo E, Berghuis B, Turner L, Hudson E, Feenstra K, Sobin L, Robb J, Branton P, Korzeniewski G, Shive C, Tabor D, Qi L, Groch K, Nampally S, Buia S, Zimmerman A, Smith A, Burges R, Robinson K, Valentino K, Bradbury D, Cosentino M, Diaz-Mayoral N, Kennedy M, Engel T, Williams P, Erickson K, Ardlie K, Winckler W, Getz G, DeLuca D, MacArthur D, Kellis M, Thomson A, Young T, Gelfand E, Donovan M, Meng Y, Grant G, Mash D, Marcus Y, Basile M, Liu J, Zhu J, Tu Z, Cox N, Nicolae D, Gamazon E, Im H, Konkashbaev A, Pritchard J, Stevens M, Flutre T, Wen X, Dermitzakis E, Lappalainen T, Guigo R, Monlong J, Sammeth M, Koller D, Battle A, Mostafavi S, McCarthy M, Rivas M, Maller J, Rusyn I, Nobel A, Wright F, Shabalin A, Feolo M, Sharopova N, Sturcke A, Paschal J, Anderson J, Wilder E, Derr L, Green E, Struewing J, Temple G, Volpi S, Boyer J, Thomson E, Guyer M, Ng C, Abdallah A, Colantuoni D, Insel T, Koester S, Little A, Bender P, Lehner T, Yao Y, Compton C, Vaught J, Sawyer S, Lockhart N, Demchok J, Moore H (2013). “The Genotype-Tissue Expression (GTEx) project.” Nature Genetics, 45(6), 580-585. doi:10.1038/ng.2653.

Corresponding BibTeX entries:

  @Article{gtexr_paper,
    title = {{gtexr: A convenient R interface to the Genotype-Tissue
      Expression (GTEx) Portal API}},
    author = {Alasdair Warwick and Benjamin Zuckerman and Chuin Ying
      Ung and Robert Luben and Abraham Olvera-Barrios},
    journal = {Journal of Open Source Software},
    publisher = {Open Journals},
    year = {2025},
    month = {05},
    volume = {10},
    number = {109},
    pages = {8249},
    doi = {10.21105/joss.08249},
    issn = {2475-9066},
    note = {gigs v0.2.1},
  }

  @Manual{gtexr,
    title = {Query the GTEx Portal API},
    author = {Alasdair Warwick and Benjamin Zuckerman and Abraham
      Olvera-Barrios and Chuin Ying Ung and Robert Luben},
    year = {2024},
    url = {https://github.com/ropensci/gtexr},
  }

  @Article{,
    title = {The Genotype-Tissue Expression (GTEx) project},
    author = {John Lonsdale and Jeffrey Thomas and Mike Salvatore and
      Rebecca Phillips and Edmund Lo and Saboor Shad and Richard Hasz
      and Gary Walters and Fernando Garcia and Nancy Young and Barbara
      Foster and Mike Moser and Ellen Karasik and Bryan Gillard and
      Kimberley Ramsey and Susan Sullivan and Jason Bridge and Harold
      Magazine and John Syron and Johnelle Fleming and Laura Siminoff
      and Heather Traino and Maghboeba Mosavel and Laura Barker and
      Scott Jewell and Dan Rohrer and Dan Maxim and Dana Filkins and
      Philip Harbach and Eddie Cortadillo and Bree Berghuis and Lisa
      Turner and Eric Hudson and Kristin Feenstra and Leslie Sobin and
      James Robb and Phillip Branton and Greg Korzeniewski and Charles
      Shive and David Tabor and Liqun Qi and Kevin Groch and Sreenath
      Nampally and Steve Buia and Angela Zimmerman and Anna Smith and
      Robin Burges and Karna Robinson and Kim Valentino and Deborah
      Bradbury and Mark Cosentino and Norma Diaz-Mayoral and Mary
      Kennedy and Theresa Engel and Penelope Williams and Kenyon
      Erickson and Kristin Ardlie and Wendy Winckler and Gad Getz and
      David DeLuca and Daniel MacArthur and Manolis Kellis and
      Alexander Thomson and Taylor Young and Ellen Gelfand and Molly
      Donovan and Yan Meng and George Grant and Deborah Mash and Yvonne
      Marcus and Margaret Basile and Jun Liu and Jun Zhu and Zhidong Tu
      and Nancy J Cox and Dan L Nicolae and Eric R Gamazon and Hae
      Kyung Im and Anuar Konkashbaev and Jonathan Pritchard and Matthew
      Stevens and Timothèe Flutre and Xiaoquan Wen and Emmanouil T
      Dermitzakis and Tuuli Lappalainen and Roderic Guigo and Jean
      Monlong and Michael Sammeth and Daphne Koller and Alexis Battle
      and Sara Mostafavi and Mark McCarthy and Manual Rivas and Julian
      Maller and Ivan Rusyn and Andrew Nobel and Fred Wright and Andrey
      Shabalin and Mike Feolo and Nataliya Sharopova and Anne Sturcke
      and Justin Paschal and James M Anderson and Elizabeth L Wilder
      and Leslie K Derr and Eric D Green and Jeffery P Struewing and
      Gary Temple and Simona Volpi and Joy T Boyer and Elizabeth J
      Thomson and Mark S Guyer and Cathy Ng and Assya Abdallah and
      Deborah Colantuoni and Thomas R Insel and Susan E Koester and A
      Roger Little and Patrick K Bender and Thomas Lehner and Yin Yao
      and Carolyn C Compton and Jimmie B Vaught and Sherilyn Sawyer and
      Nicole C Lockhart and Joanne Demchok and Helen F Moore},
    journal = {Nature Genetics},
    year = {2013},
    volume = {45},
    number = {6},
    pages = {580-585},
    doi = {10.1038/ng.2653},
  }