APA (7th ed.) Citation

Dunbar, C. O., & Rodgers, J. (1957). Principles of stratigraphy. Wiley.

Chicago Style (17th ed.) Citation

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy. New York: Wiley, 1957.

MLA (8th ed.) Citation

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy. Wiley, 1957.

Warning: These citations may not always be 100% accurate.