Cita APA

Nowak, R. M. (2003). Walker's marine mammals of the world. Baltimore: The Johns Hopkins University Press.

Citación estilo Chicago

Nowak, Ronald M. Walker's Marine Mammals of the World. Baltimore: The Johns Hopkins University Press, 2003.

Cita MLA

Nowak, Ronald M. Walker's Marine Mammals of the World. Baltimore: The Johns Hopkins University Press, 2003.