APA (7th ed.) Citation

Foster, R. J. (1976). Geology (3d ed.). C. E. Merrill Pub. Co..

Chicago Style (17th ed.) Citation

Foster, Robert J. Geology. 3d ed. Columbus, Ohio: C. E. Merrill Pub. Co., 1976.

MLA (9th ed.) Citation

Foster, Robert J. Geology. 3d ed. C. E. Merrill Pub. Co., 1976.