Cita APA (7th ed.)

Chernicoff, S., & Fox, H. A. (2003). Essentials of geology (3rd ed.). Houghton Mifflin.

Cita Chicago (17th ed.)

Chernicoff, Stanley, i Haydn A. Fox. Essentials of Geology. 3rd ed. Boston: Houghton Mifflin, 2003.

Cita MLA (9th ed.)

Chernicoff, Stanley, i Haydn A. Fox. Essentials of Geology. 3rd ed. Houghton Mifflin, 2003.