APA (7th ed.) Citation

Foster, R. J. (1985). Geology (5th ed.). C.E. Merrill.

Chicago Style (17th ed.) Citation

Foster, Robert John. Geology. 5th ed. Columbus, OH: C.E. Merrill, 1985.

MLA (9th ed.) Citation

Foster, Robert John. Geology. 5th ed. C.E. Merrill, 1985.