APA (7th ed.) Citation

Roberts, D. C. (1996). A field guide to geology. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Roberts, David C. A Field Guide to Geology. Boston: Houghton Mifflin, 1996.

MLA (9th ed.) Citation

Roberts, David C. A Field Guide to Geology. Houghton Mifflin, 1996.