APA (7th ed.) Citation

Baumol, W. J. (2009). Contemporary Economics: Principles and policy. Cengage Learning.

Chicago Style (17th ed.) Citation

Baumol, William J. Contemporary Economics: Principles and Policy. New Delhi: Cengage Learning, 2009.

MLA (9th ed.) Citation

Baumol, William J. Contemporary Economics: Principles and Policy. Cengage Learning, 2009.