APA

(1915). A Text-Book of Geology. New York: John Wiley and Sons, Inc.

Chicago

1915. A Text-Book of Geology. New York: John Wiley and Sons, Inc.

Harvard

(1915). A Text-Book of Geology. New York: John Wiley and Sons, Inc.

MLA

A Text-Book of Geology. New York: John Wiley and Sons, Inc. 1915.