APA (7th ed.) Citation

Pipkin, B. W., & Trent, D. D. (2001). Geology and the environment (3. ed.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Pipkin, Bernard W., and D. D. Trent. Geology and the Environment. 3. ed. Pacific Grove, CA: Brooks/Cole, 2001.

MLA (9th ed.) Citation

Pipkin, Bernard W., and D. D. Trent. Geology and the Environment. 3. ed. Brooks/Cole, 2001.