APA (7th ed.) Citation

Pipkin, B. W., & Trent, D. D. (1997). Geology and the environment (2nd ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Pipkin, Bernard W., and D. D. Trent. Geology and the Environment. 2nd ed. Belmont, CA.: Wadsworth, 1997.

MLA (8th ed.) Citation

Pipkin, Bernard W., and D. D. Trent. Geology and the Environment. 2nd ed. Wadsworth, 1997.

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