Cita APA (7a ed.)

Martin, P. S., & Klein, R. G. (1984). Quaternary extinctions: A prehistoric revolution. University of Arizona Press.

Cita Chicago Style (17a ed.)

Martin, Paul S., y Richard G. Klein. Quaternary Extinctions: A Prehistoric Revolution. Tucson, Ariz.: University of Arizona Press, 1984.

Cita MLA (8a ed.)

Martin, Paul S., y Richard G. Klein. Quaternary Extinctions: A Prehistoric Revolution. University of Arizona Press, 1984.