APA (7th ed.) Citation

Plummer, C. C., & McGeary, D. Physical geology. Brown.

Chicago Style (17th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. Dubuque, Iowa u.a: Brown.

MLA (9th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. Brown.

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