Cita APA (7a ed.)

Simpson, G. G. (1965). The geography of evolution: Collected essays. Chilton.

Cita Chicago Style (17a ed.)

Simpson, George Gaylord. The Geography of Evolution: Collected Essays. Philadelphia y New york - EEUU: Chilton, 1965.

Cita MLA (8a ed.)

Simpson, George Gaylord. The Geography of Evolution: Collected Essays. Chilton, 1965.