APA (7th ed.) Citation

Parkin, M., Matthews, K., & Powell, M. (2005). Economics (6th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Parkin, Michael, Kent Matthews, and Melanie Powell. Economics. 6th ed. Harlow: Addison-Wesley, 2005.

MLA (8th ed.) Citation

Parkin, Michael, et al. Economics. 6th ed. Addison-Wesley, 2005.