Cita APA (7a ed.)
Marshall, A. (2013). Principles of economics (8th ed.). Palgrave Macmillan.
Cita Chicago Style (17a ed.)
Marshall, Alfred. Principles of Economics. 8th ed. Basingstoke: Palgrave Macmillan, 2013.
Cita MLA (9a ed.)
Marshall, Alfred. Principles of Economics. 8th ed. Palgrave Macmillan, 2013.
Precaución: Estas citas no son 100% exactas.