APA Edition Citation

Lipsey, R. G., & Chrystal , K. A. (1999). Principles of economics. OUP.

Chicago Edition Citation

Lipsey, Richard G., and K. Alec Chrystal. Principles of Economics. New York: OUP, 1999.

MLA Edition Citation

Lipsey, Richard G., and K. Alec Chrystal. Principles of Economics. OUP, 1999.

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