Cita APA (7a ed.)

Parkin, M., Powell, M., & Matthews, K. (2003). Economics (5th ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Parkin, Michael, Melanie Powell, y Kent Matthews. Economics. 5th ed. Harlow [etc.]: Addison-Wesley, 2003.

Cita MLA (9a ed.)

Parkin, Michael, et al. Economics. 5th ed. Addison-Wesley, 2003.