Cita APA (7a ed.)
Wonnacott, P., & Wonnacott, R. (1990). Economics (4th ed.). John Wiley and Sons.
Cita Chicago Style (17a ed.)
Wonnacott, Paul, y Ronald Wonnacott. Economics. 4th ed. New York: John Wiley and Sons, 1990.
Cita MLA (9a ed.)
Wonnacott, Paul, y Ronald Wonnacott. Economics. 4th ed. John Wiley and Sons, 1990.
Precaución: Estas citas no son 100% exactas.