Citazione Stile APA (7a Edizione)

Pipkin, B. W., Trent, D. D., & Hazlett, R. (2005). Geology and the environment (4th ed.). Brokks/Cole.

Citazione stile Chigago Style (17a edizione)

Pipkin, Bernard W., D. D. Trent, e Richard Hazlett. Geology and the Environment. 4th ed. Australia: Brokks/Cole, 2005.

Citatione MLA (9a ed.)

Pipkin, Bernard W., et al. Geology and the Environment. 4th ed. Brokks/Cole, 2005.