APA

Kemp J. F., Grout F. F., . (1940). A handbook of rocks. New York: D. Van Nostrand Company, inc.

Chicago

Kemp James Furman, Grout Frank F, . 1940. A handbook of rocks. New York: D. Van Nostrand Company, inc.

Harvard

Kemp J. F., Grout F. F., . (1940). A handbook of rocks. New York: D. Van Nostrand Company, inc.

MLA

Kemp James Furman, Grout Frank F, . A handbook of rocks. New York: D. Van Nostrand Company, inc. 1940.