APA Citatie

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

Chicago Style citaat

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

MLA citatie

Chernicoff, Stanley, en Haydn A. Chip Fox. Essentials of Geology. Worth Publishers, 1997.