APA način citiranja (7. izdanje)

Gruen, L. (2011). Ethics and animals: An introduction. Cambridge University Press.

Čikaški stil citiranja (17. izdanje)

Gruen, Lori. Ethics and Animals: An Introduction. Cambridge ; New York: Cambridge University Press, 2011.

MLA način citiranja (9. izdanje)

Gruen, Lori. Ethics and Animals: An Introduction. Cambridge University Press, 2011.