Cita APA (7th ed.)
Cole, S. M. (1954). The prehistory of East Africa. Penguin Books.
Cita Chicago (17th ed.)
Cole, Sonia Mary. The Prehistory of East Africa. Harmondsworth, Middlesex, U.K.: Penguin Books, 1954.
Cita MLA (9th ed.)
Cole, Sonia Mary. The Prehistory of East Africa. Penguin Books, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.