Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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