APA (7th ed.) Citation

Gregory, P. R. (2002). Essentials of economics (5th ed.). Addison Wesley.

Chicago Style (17th ed.) Citation

Gregory, Paul R. Essentials of Economics. 5th ed. Boston, Mass: Addison Wesley, 2002.

MLA (9th ed.) Citation

Gregory, Paul R. Essentials of Economics. 5th ed. Addison Wesley, 2002.

Warning: These citations may not always be 100% accurate.