APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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

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