APA (7th ed.) Citation

Godfrey, S. J. (2018). The Geology and vertebrate paleontology of Calvert Cliffs, Maryland. Smithsonian Institution Scholarly Press.

Chicago Style (17th ed.) Citation

Godfrey, Stephen J. The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland. Washington, D.C.: Smithsonian Institution Scholarly Press, 2018.

MLA (9th ed.) Citation

Godfrey, Stephen J. The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland. Smithsonian Institution Scholarly Press, 2018.