APA (7th ed.) Zitazioa

Gould, S. J., & Rose, S. (2007). The richness of life: The essential stephen jay gould. W.W.norton.

Chicago Style (17th ed.) Zitazioa

Gould, Stephen Jay, eta Steven Rose. The Richness of Life: The Essential Stephen Jay Gould. New York: W.W.norton, 2007.

MLA (9th ed.) Zitazioa

Gould, Stephen Jay, eta Steven Rose. The Richness of Life: The Essential Stephen Jay Gould. W.W.norton, 2007.