Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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