APA (7th ed.) Citation

Folk, R. L. (1974). Petrology of sedimentary rocks ([Second edition].). Hemphill's.

Chicago Style (17th ed.) Citation

Folk, Robert L. Petrology of Sedimentary Rocks. [Second edition]. Austin, Tex: Hemphill's, 1974.

MLA (9th ed.) Citation

Folk, Robert L. Petrology of Sedimentary Rocks. [Second edition]. Hemphill's, 1974.

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