Cita APA (7a ed.)
Cole, S. M. (1954). The prehistory of East Africa. Penguin Books.
Cita Chicago Style (17a ed.)
Cole, Sonia Mary. The Prehistory of East Africa. Harmondsworth, Middlesex, U.K.: Penguin Books, 1954.
Cita MLA (9a ed.)
Cole, Sonia Mary. The Prehistory of East Africa. Penguin Books, 1954.
警告：這些引文格式不一定是100％准確.