Cita APA (7a ed.)

Chernicoff, S., & Fox, H. A. (2000). Essentials of geology (2nd ed.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Chernicoff, Stanley, y Haydn A. Fox. Essentials of Geology. 2nd ed. Boston: Houghton Mifflin, 2000.

Cita MLA (8a ed.)

Chernicoff, Stanley, y Haydn A. Fox. Essentials of Geology. 2nd ed. Houghton Mifflin, 2000.