APA (7th ed.) Citation

Clark, J. D. (1959). The prehistory of Southern Africa. Penguin Books.

Chicago Style (17th ed.) Citation

Clark, J. Desmond. The Prehistory of Southern Africa. London: Penguin Books, 1959.

MLA (9th ed.) Citation

Clark, J. Desmond. The Prehistory of Southern Africa. Penguin Books, 1959.

Warning: These citations may not always be 100% accurate.