Cita APA (7a ed.)

Walker, E. P., & Nowak, R. M. (1991). Walker's mammals of the world (5th ed. / Ronald M. Nowak.). Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Walker, Ernest Pillsbury, y Ronald M. Nowak. Walker's Mammals of the World. 5th ed. / Ronald M. Nowak. Baltimore [etc.]: Johns Hopkins University Press, 1991.

Cita MLA (9a ed.)

Walker, Ernest Pillsbury, y Ronald M. Nowak. Walker's Mammals of the World. 5th ed. / Ronald M. Nowak. Johns Hopkins University Press, 1991.