APA (7th ed.) Citation

Kiekhofer, W. H. (1941). Economic principles, problems, and policies (Rev. ed.). Appleton-Century.

Chicago Style (17th ed.) Citation

Kiekhofer, William Henry. Economic Principles, Problems, and Policies. Rev. ed. New York: Appleton-Century, 1941.

MLA (9th ed.) Citation

Kiekhofer, William Henry. Economic Principles, Problems, and Policies. Rev. ed. Appleton-Century, 1941.