APA (7th ed.) Citation

Lipsey, R. G., & Courant, P. N. (1983). An introduction to positive economics (7th ed.). Weidenfield & NicholsonLtd..

Chicago Style (17th ed.) Citation

Lipsey, Richard G., and Paul N. Courant. An Introduction to Positive Economics. 7th ed. London: Weidenfield & NicholsonLtd., 1983.

MLA (9th ed.) Citation

Lipsey, Richard G., and Paul N. Courant. An Introduction to Positive Economics. 7th ed. Weidenfield & NicholsonLtd., 1983.

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