APA (7th ed.) Citation

Nowak, R. M. (1999). Walker's mammals of the world (6th ed.). Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Nowak, Ronald M. Walker's Mammals of the World. 6th ed. Baltimore: Johns Hopkins University Press, 1999.

MLA (9th ed.) Citation

Nowak, Ronald M. Walker's Mammals of the World. 6th ed. Johns Hopkins University Press, 1999.