APA (7th ed.) Citation

Garrigus, F. (1940). What's the answer? Books, Inc..

Chicago Style (17th ed.) Citation

Garrigus, Frederick. What's the Answer? New York: Books, Inc., 1940.

MLA (9th ed.) Citation

Garrigus, Frederick. What's the Answer? Books, Inc., 1940.

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