APA Citation

Folk, R. L. (1968). Petrology of sedimentary rocks. Hemphill's.

Chicago Style Citation

Folk, Robert L. Petrology of Sedimentary Rocks. Hemphill's, 1968.

MLA Citation

Folk, Robert L. Petrology of Sedimentary Rocks. Hemphill's, 1968.

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