APA Citatie

Kump, L. R., Kasting, J. F., & Crane, R. G. (2010). The earth system (3rd ed.). Prentice Hall.

Chicago Style citaat

Kump, Lee R., James F. Kasting, en Robert G. Crane. The Earth System. 3rd ed. San Francisco: Prentice Hall, 2010.

MLA citatie

Kump, Lee R., et al. The Earth System. 3rd ed. Prentice Hall, 2010.