APA (7th ed.) Citation

Puth, R. C. (1988). American economic history (2. ed.). Dryden.

Chicago Style (17th ed.) Citation

Puth, Robert C. American Economic History. 2. ed. Chicago: Dryden, 1988.

MLA (9th ed.) Citation

Puth, Robert C. American Economic History. 2. ed. Dryden, 1988.