APA (7th ed.) Citation

Plummer, C. C. (1979). Physical geology. Wa. C. Brown.

Chicago Style (17th ed.) Citation

Plummer, Charles C. Physical Geology. Dubuque: Wa. C. Brown, 1979.

MLA (9th ed.) Citation

Plummer, Charles C. Physical Geology. Wa. C. Brown, 1979.