APA (7th ed.) Citation

Pettijohn, F. J. (1957). Sedimentary rocks (2nd edition.). Harper.

Chicago Style (17th ed.) Citation

Pettijohn, F. J. Sedimentary Rocks. 2nd edition. New York: Harper, 1957.

MLA (9th ed.) Citation

Pettijohn, F. J. Sedimentary Rocks. 2nd edition. Harper, 1957.

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