APA (7th ed.) Citation

Slobodkin, L. (1956). One is good but two are better. The Vanguard Press.

Chicago Style (17th ed.) Citation

Slobodkin, Louis. One Is Good but Two Are Better. New York: The Vanguard Press, 1956.

MLA (9th ed.) Citation

Slobodkin, Louis. One Is Good but Two Are Better. The Vanguard Press, 1956.

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