Citazione Stile APA (7a Edizione)

Gould, S. J. (1979). Ever since Darwin: Reflections in natural history. Norton.

Citazione stile Chigago Style (17a edizione)

Gould, Stephen Jay. Ever Since Darwin: Reflections in Natural History. New York: Norton, 1979.

Citatione MLA (9a ed.)

Gould, Stephen Jay. Ever Since Darwin: Reflections in Natural History. Norton, 1979.