APA (7th ed.) Citation

Lipsey. (1983). An introduction to positive economics (6th ed.). Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Lipsey. An Introduction to Positive Economics. 6th ed. London: Weidenfeld and Nicolson, 1983.

MLA (8th ed.) Citation

Lipsey. An Introduction to Positive Economics. 6th ed. Weidenfeld and Nicolson, 1983.

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