APA način citiranja (7. izdanje)
Sommer, V., & Vasey, P. L. (2010). Homosexual behaviour in animals: An evolutionary perspective. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)
Sommer, Volker, i Paul L. Vasey. Homosexual Behaviour in Animals: An Evolutionary Perspective. Cambridge ; New York: Cambridge University Press, 2010.
MLA način citiranja (9. izdanje)
Sommer, Volker, i Paul L. Vasey. Homosexual Behaviour in Animals: An Evolutionary Perspective. Cambridge University Press, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.