APA (7th ed.) Citation

Gould, S. J. (1994). Eight little piggies: Reflections in natural history. W.W. Norton.

Chicago Style (17th ed.) Citation

Gould, Stephen Jay. Eight Little Piggies: Reflections in Natural History. New York [etc.]: W.W. Norton, 1994.

MLA (9th ed.) Citation

Gould, Stephen Jay. Eight Little Piggies: Reflections in Natural History. W.W. Norton, 1994.