APA (7th ed.) Citation
Henderson, V. J., & Poole, W. (1991). Principles of Economics. D.C.Heath and Company.
Chicago Style (17th ed.) Citation
Henderson, Vernon J., and William Poole. Principles of Economics. Toronto: D.C.Heath and Company, 1991.
MLA (9th ed.) Citation
Henderson, Vernon J., and William Poole. Principles of Economics. D.C.Heath and Company, 1991.
Warning: These citations may not always be 100% accurate.