APA (7th ed.) Citation

Pettijohn, F. (1949). Sedimentary rocks. Harper.

Chicago Style (17th ed.) Citation

Pettijohn, FJ. Sedimentary Rocks. Harper, 1949.

MLA (8th ed.) Citation

Pettijohn, FJ. Sedimentary Rocks. Harper, 1949.

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