Cita APA (7a ed.)

Korey, E. L., & Runge, E. J. (1939). Economics: Principles and problems. Longmans, Green and Co..

Cita Chicago Style (17a ed.)

Korey, Edward L., y Edmond Joseph Runge. Economics: Principles and Problems. New York: Longmans, Green and Co., 1939.

Cita MLA (8a ed.)

Korey, Edward L., y Edmond Joseph Runge. Economics: Principles and Problems. Longmans, Green and Co., 1939.