APA (7th ed.) Citation

Lipsey Richard G., Courant Paul N., & Ragan Christopher T. S. (1999). Economics (12th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Lipsey Richard G., Courant Paul N., and Ragan Christopher T. S. Economics. 12th ed. Addison-Wesley, 1999.

MLA (8th ed.) Citation

Lipsey Richard G., et al. Economics. 12th ed. Addison-Wesley, 1999.