Cita APA (7a ed.)

Raup, D. M., & Stanley, S. M. (1978). Principles of paleontology. W.H.Freeman.

Cita Chicago Style (17a ed.)

Raup, David M., y Steven M. Stanley. Principles of Paleontology. New York: W.H.Freeman, 1978.

Cita MLA (8a ed.)

Raup, David M., y Steven M. Stanley. Principles of Paleontology. W.H.Freeman, 1978.