APA aipamena

Raup, D. M., & Stanley, S. M. (1971). Principles of paleontology. W. H. Freeman.

Chicago Style aipamena

Raup, David M., and Steven M. Stanley. Principles of Paleontology. San Francisco: W. H. Freeman, 1971.

MLA aipamena

Raup, David M., and Steven M. Stanley. Principles of Paleontology. W. H. Freeman, 1971.