APA (7th ed.) Citation

Leakey, R. E., & Lewin, R. (1996). The sixth extinction: Patterns of life and the future of humankind (1. ed.). Anchor Books.

Chicago Style (17th ed.) Citation

Leakey, Richard E., and Roger Lewin. The Sixth Extinction: Patterns of Life and the Future of Humankind. 1. ed. New York: Anchor Books, 1996.

MLA (9th ed.) Citation

Leakey, Richard E., and Roger Lewin. The Sixth Extinction: Patterns of Life and the Future of Humankind. 1. ed. Anchor Books, 1996.