Cita APA (7a ed.)

Ely, R. T., & Wicker, G. R. (1917). Elementary principles of economics: Together with a short sketch of economic history (Rev.). Macmillan.

Cita Chicago Style (17a ed.)

Ely, Richard Theodore, y George Ray Wicker. Elementary Principles of Economics: Together with a Short Sketch of Economic History. Rev. New York ; London: Macmillan, 1917.

Cita MLA (8a ed.)

Ely, Richard Theodore, y George Ray Wicker. Elementary Principles of Economics: Together with a Short Sketch of Economic History. Rev. Macmillan, 1917.