Cita APA (7a ed.)

Ward, P. D. (1997). The call of distant mammoths: Why the ice age mammals disappeared. Copernicus.

Cita Chicago Style (17a ed.)

Ward, Peter Douglas. The Call of Distant Mammoths: Why the Ice Age Mammals Disappeared. New York: Copernicus, 1997.

Cita MLA (9a ed.)

Ward, Peter Douglas. The Call of Distant Mammoths: Why the Ice Age Mammals Disappeared. Copernicus, 1997.