APA (7th ed.) Citation

Lundberg, F. (1937). America's sixty families. Vanguard Press.

Chicago Style (17th ed.) Citation

Lundberg, Ferdinand. America's Sixty Families. New York: Vanguard Press, 1937.

MLA (9th ed.) Citation

Lundberg, Ferdinand. America's Sixty Families. Vanguard Press, 1937.

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