Lua APA (7ú heag.)
Etkin, W. (1964). Social behavior and organization among vertebrates. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)
Etkin, William. Social Behavior and Organization Among Vertebrates. Chicago: University of Chicago Press, 1964.
Lua MLA (9ú heag.)
Etkin, William. Social Behavior and Organization Among Vertebrates. University of Chicago Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.