APA

Branson E. B., Tarr W. A., . (1941). Introduction to geology. New York: McGraw-Hill.

Chicago

Branson E B, Tarr W A, . 1941. Introduction to geology. New York: McGraw-Hill.

Harvard

Branson E. B., Tarr W. A., . (1941). Introduction to geology. New York: McGraw-Hill.

MLA

Branson E B, Tarr W A, . Introduction to geology. New York: McGraw-Hill. 1941.