APA (7th ed.) Citation

Cook, O. F. (1908). Methods and causes of evolution. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Cook, O. F. Methods and Causes of Evolution. [Washington, D.C.]: U.S. Government Printing Office, 1908.

MLA (9th ed.) Citation

Cook, O. F. Methods and Causes of Evolution. U.S. Government Printing Office, 1908.