Cita APA

Beerbower, J. R. (1968). Search for the past: An introduction to paleontology (2d ed.). Prentice-Hall.

Citación estilo Chicago

Beerbower, James R. Search for the Past: An Introduction to Paleontology. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1968.

Cita MLA

Beerbower, James R. Search for the Past: An Introduction to Paleontology. 2d ed. Prentice-Hall, 1968.