APA (7th ed.) Citation

Jennings, W. W. (1928). Introduction to American economic history. Thomas Y. Crowell Company.

Chicago Style (17th ed.) Citation

Jennings, Walter Wilson. Introduction to American Economic History. New York: Thomas Y. Crowell Company, 1928.

MLA (8th ed.) Citation

Jennings, Walter Wilson. Introduction to American Economic History. Thomas Y. Crowell Company, 1928.