APA Citation

Lipsey, R. G., & Chrystal, K. (1999). Principles of economics (9th ed.). New York: Longman.

Chicago Style Citation

Lipsey, Richard G., and K.Alex Chrystal. Principles of Economics. 9th ed. New York: Longman, 1999.

MLA Citation

Lipsey, Richard G., and K.Alex Chrystal. Principles of Economics. 9th ed. New York: Longman, 1999.

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