APA (7th ed.) Citation

Cattel, J. M. (1938). American men of science (6th ed.). The Science Press.

Chicago Style (17th ed.) Citation

Cattel, James McKeen. American Men of Science. 6th ed. New York: The Science Press, 1938.

MLA (9th ed.) Citation

Cattel, James McKeen. American Men of Science. 6th ed. The Science Press, 1938.