APA način citiranja (7. izdanje)
Hruschka, D. J. (2010). Friendship: Development, ecology, and evolution of a relationship. University of California Press.
Čikaški stil citiranja (17. izdanje)
Hruschka, Daniel J. Friendship: Development, Ecology, and Evolution of a Relationship. Berkeley: University of California Press, 2010.
MLA način citiranja (9. izdanje)
Hruschka, Daniel J. Friendship: Development, Ecology, and Evolution of a Relationship. University of California Press, 2010.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.