APA (7th ed.) Citation

Friedberg, R., & Friedberg, J. (1972). Paper money of the United States: A complete illustrated guide with valuations (7th ed.). Coin and Currency Institute.

Chicago Style (17th ed.) Citation

Friedberg, Robert, and Jack Friedberg. Paper Money of the United States: A Complete Illustrated Guide with Valuations. 7th ed. New York: Coin and Currency Institute, 1972.

MLA (9th ed.) Citation

Friedberg, Robert, and Jack Friedberg. Paper Money of the United States: A Complete Illustrated Guide with Valuations. 7th ed. Coin and Currency Institute, 1972.