APA (7e ed.) Bronvermelding

Chernicoff, S., Fox, H. A., & Venkatakrishnan, R. (1997). Essentials of geology. Worth Publishers.

Chicago (17e ed.) Bronvermelding

Chernicoff, Stanley, Haydn A. Fox, en Ramesh Venkatakrishnan. Essentials of Geology. New York: Worth Publishers, 1997.

MLA (9e ed.) Bronvermelding

Chernicoff, Stanley, et al. Essentials of Geology. Worth Publishers, 1997.