APA (7th ed.) Citation

Leakey, R. E. (1994). The origin of humankind. BasicBooks.

Chicago Style (17th ed.) Citation

Leakey, Richard E. The Origin of Humankind. New York: BasicBooks, 1994.

MLA (9th ed.) Citation

Leakey, Richard E. The Origin of Humankind. BasicBooks, 1994.

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