APA Citation
Lipsey, R. G., & Chrystal, K. A. (1995). An introduction to positive economics (8th ed.). New York: Oxford University Press.
Chicago Style CitationLipsey, Richard G., and K. Alec Chrystal. An Introduction to Positive Economics. 8th ed. New York: Oxford University Press, 1995.
MLA CitationLipsey, Richard G., and K. Alec Chrystal. An Introduction to Positive Economics. 8th ed. New York: Oxford University Press, 1995.
Warning: These citations may not always be 100% accurate.