APA (7th ed.) Citation

Lipsey, R. G., & Chrystal, K. A. (1999). Principles of economics (9th ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Lipsey, Richard G., and K. Alec Chrystal. Principles of Economics. 9th ed. Oxford: Oxford University Press, 1999.

MLA (9th ed.) Citation

Lipsey, Richard G., and K. Alec Chrystal. Principles of Economics. 9th ed. Oxford University Press, 1999.

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