APA (7th ed.) Citation

Faulkner, H. U. (1949). American economic history (6th ed.). Harper.

Chicago Style (17th ed.) Citation

Faulkner, Harold Underwood. American Economic History. 6th ed. New York: Harper, 1949.

MLA (8th ed.) Citation

Faulkner, Harold Underwood. American Economic History. 6th ed. Harper, 1949.