APA (7th ed.) Citation

Arnold, R. A. (2012). Principles of economics (10th ed.). Cengage Learning.

Chicago Style (17th ed.) Citation

Arnold, Roger A. Principles of Economics. 10th ed. Singapore: Cengage Learning, 2012.

MLA (9th ed.) Citation

Arnold, Roger A. Principles of Economics. 10th ed. Cengage Learning, 2012.

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