APA (7th ed.) Citation

Plummer, C. C., & McGeary, D. (1996). Physical geology (7th ed.). Wm. C. Brown.

Chicago Style (17th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. 7th ed. Dubuque, IA: Wm. C. Brown, 1996.

MLA (9th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. 7th ed. Wm. C. Brown, 1996.