APA aipamena

Pipkin, B. W., Trent, D., Hazlett, R., Bierman, P., & Pipkin, B. W. (2011). Geology and the environment (Fifthth edition.). Thomson Brooks/Cole.

Chicago Style aipamena

Pipkin, Bernard W., D.D Trent, Richard Hazlett, Paul Bierman, and Bernard W. Pipkin. Geology and the Environment. Fifthth edition. Australia: Thomson Brooks/Cole, 2011.

MLA aipamena

Pipkin, Bernard W., et al. Geology and the Environment. Fifthth edition. Thomson Brooks/Cole, 2011.