Cita APA (7a ed.)

Calvin, W. H. (2003). A brain for all seasons: Human evolution and abrupt climate change (Pbk. ed.). University of Chicago Press.

Cita Chicago Style (17a ed.)

Calvin, William H. A Brain for All Seasons: Human Evolution and Abrupt Climate Change. Pbk. ed. Chicago [etc.]: University of Chicago Press, 2003.

Cita MLA (9a ed.)

Calvin, William H. A Brain for All Seasons: Human Evolution and Abrupt Climate Change. Pbk. ed. University of Chicago Press, 2003.