Kemp, J. F., & Grout, F. F. (1940). A handbook of rocks: For use without the petrographic microscope... (6th ed., completely rev. and ed.). D. Van Nostrand company, inc..
Chicago Style (17th ed.) CitationKemp, James Furman, and Frank F. Grout. A Handbook of Rocks: For Use Without the Petrographic Microscope... 6th ed., completely rev. and ed. New York: D. Van Nostrand company, inc., 1940.
MLA (9th ed.) CitationKemp, James Furman, and Frank F. Grout. A Handbook of Rocks: For Use Without the Petrographic Microscope... 6th ed., completely rev. and ed. D. Van Nostrand company, inc., 1940.
Warning: These citations may not always be 100% accurate.