Cita APA (7th ed.)

Gould, S. J., McGarr, P., & Rose, S. P. R. (2007). The richness of life: The essential Stephen Jay Gould (1st American ed.). Norton.

Cita Chicago (17th ed.)

Gould, Stephen Jay, Paul McGarr, i Steven Peter Russell Rose. The Richness of Life: The Essential Stephen Jay Gould. 1st American ed. New York: Norton, 2007.

Cita MLA (9th ed.)

Gould, Stephen Jay, et al. The Richness of Life: The Essential Stephen Jay Gould. 1st American ed. Norton, 2007.