APA Edition Citation

Dunbar, C. O. a. R. (1961). Principles of Stratigraphy. John Wiley.

Chicago Edition Citation

Dunbar, Carl O. and Rodgers. Principles of Stratigraphy. New York: John Wiley, 1961.

MLA Edition Citation

Dunbar, Carl O. and Rodgers. Principles of Stratigraphy. John Wiley, 1961.

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