APA (7th ed.) Citation

HENDERSON, J. V., & POOLE, W. (1991). Principles of economics. D.C. Heath and Co.

Chicago Style (17th ed.) Citation

HENDERSON, J. Vernon, and William POOLE. Principles of Economics. Lexington: D.C. Heath and Co, 1991.

MLA (9th ed.) Citation

HENDERSON, J. Vernon, and William POOLE. Principles of Economics. D.C. Heath and Co, 1991.

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