APA (7th ed.) Citation

Pough, F. H. (1976). A field guide to rocks and minerals (4th ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Pough, Frederick H. A Field Guide to Rocks and Minerals. 4th ed. Boston: Houghton Mifflin, 1976.

MLA (9th ed.) Citation

Pough, Frederick H. A Field Guide to Rocks and Minerals. 4th ed. Houghton Mifflin, 1976.

Warning: These citations may not always be 100% accurate.