APA-referens (7:e uppl.)

Butler, P. J., Brown, J. A., Stephenson, D. G., & Speakman, J. R. (2021). Animal physiology: An environmental perspective. Oxford University Press.

Chicago-referens (17:e uppl.)

Butler, Patrick J., J. Anne Brown, D. George Stephenson, och J. R. Speakman. Animal Physiology: An Environmental Perspective. Oxford: Oxford University Press, 2021.

MLA-referens (9:e uppl.)

Butler, Patrick J., et al. Animal Physiology: An Environmental Perspective. Oxford University Press, 2021.