Cita APA (7a ed.)

Kiekhofer, W. H. (1946). Economic principles, problems and policies (3rd ed.). Appleton-Century.

Cita Chicago Style (17a ed.)

Kiekhofer, William Henry. Economic Principles, Problems and Policies. 3rd ed. New York: Appleton-Century, 1946.

Cita MLA (9a ed.)

Kiekhofer, William Henry. Economic Principles, Problems and Policies. 3rd ed. Appleton-Century, 1946.