Cita APA (7a ed.)
Etkin, W. (1967). Social Behaviour From Fish to Man.
Cita estilo Chicago (17a ed.)
Etkin, William. Social Behaviour From Fish to Man. 1967.
Cita MLA (9a ed.)
Etkin, William. Social Behaviour From Fish to Man. 1967.
Precaución: Estas citas no son 100% exactas.