Citazione Stile APA (7a Edizione)

Raup, D. M., & Stanley, S. M. (1978). Principles of paleontology (2nd ed.). W. H. Freeman and Company.

Citazione stile Chigago Style (17a edizione)

Raup, David M., e Steven M. Stanley. Principles of Paleontology. 2nd ed. San Francisco: W. H. Freeman and Company, 1978.

Citatione MLA (9a ed.)

Raup, David M., e Steven M. Stanley. Principles of Paleontology. 2nd ed. W. H. Freeman and Company, 1978.