APA (7th ed.) Citation

Amacher, R. C., & Ulbrich, H. H. (1986). Principles of microeconomics (3rd ed.). South-Western.

Chicago Style (17th ed.) Citation

Amacher, Ryan C., and Holley H. Ulbrich. Principles of Microeconomics. 3rd ed. Cincinnati, Ohio: South-Western, 1986.

MLA (9th ed.) Citation

Amacher, Ryan C., and Holley H. Ulbrich. Principles of Microeconomics. 3rd ed. South-Western, 1986.