Cita APA

Mohr, C. E. (1958). North American mammals. New York:: Nelson Doubleday,.

Citación estilo Chicago

Mohr, Ch. E. North American Mammals. New York:: Nelson Doubleday,, 1958.

Cita MLA

Mohr, Ch. E. North American Mammals. New York:: Nelson Doubleday,, 1958.