APA (7th ed.) Citation

Babson, S., & Brigham, N. (1975). Why do we spend so much money? (Second edition.). Popular Economics Press.

Chicago Style (17th ed.) Citation

Babson, Steve, and Nancy Brigham. Why Do We Spend so Much Money? Second edition. Somerville, Mass.: Popular Economics Press, 1975.

MLA (9th ed.) Citation

Babson, Steve, and Nancy Brigham. Why Do We Spend so Much Money? Second edition. Popular Economics Press, 1975.