APA

Cleland H. F., . (1925). Geology, physical and historical. New York: American Book Co.

Chicago

Cleland Herdman Fitzgerald, . 1925. Geology, physical and historical. New York: American Book Co.

Harvard

Cleland H. F., . (1925). Geology, physical and historical. New York: American Book Co.

MLA

Cleland Herdman Fitzgerald, . Geology, physical and historical. New York: American Book Co. 1925.