APA (7th ed.) Citation

Folk, R. L. (1965). Petrology of sedimentary rocks. Hemphill.

Chicago Style (17th ed.) Citation

Folk, Robert L. Petrology of Sedimentary Rocks. Austin, Tex: Hemphill, 1965.

MLA (9th ed.) Citation

Folk, Robert L. Petrology of Sedimentary Rocks. Hemphill, 1965.

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