Cita APA (7a ed.)

Cole, S. (1954). The prehistory of East Africa. Penguin.

Cita Chicago Style (17a ed.)

Cole, Sonia. The Prehistory of East Africa. Harmondsworth: Penguin, 1954.

Cita MLA (9a ed.)

Cole, Sonia. The Prehistory of East Africa. Penguin, 1954.