APA (7th ed.) Citation

Gould, S. J. (1992). Ever since Darwin: Reflections in natural history. Norton.

Chicago Style (17th ed.) Citation

Gould, Stephen Jay. Ever Since Darwin: Reflections in Natural History. New York London: Norton, 1992.

MLA (8th ed.) Citation

Gould, Stephen Jay. Ever Since Darwin: Reflections in Natural History. Norton, 1992.