APA (7th ed.) Citation

215977 Ragan, J. F., & Thomas, L. B. (1990). Principles of microeconomics. San Diego, CA : Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

215977 Ragan, James F., and Lloyd B. Thomas. Principles of Microeconomics. San Diego, CA : Harcourt Brace Jovanovich, 1990.

MLA (9th ed.) Citation

215977 Ragan, James F., and Lloyd B. Thomas. Principles of Microeconomics. San Diego, CA : Harcourt Brace Jovanovich, 1990.

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