APA (7th ed.) Citation

Easton, R. O. (1943). The happy man. The Viking press.

Chicago Style (17th ed.) Citation

Easton, Robert Olney. The Happy Man. New York: The Viking press, 1943.

MLA (9th ed.) Citation

Easton, Robert Olney. The Happy Man. The Viking press, 1943.

Warning: These citations may not always be 100% accurate.