APA (7th ed.) Citation

Lipsey & Chrystal. (1995). Introduction to positive economics (8th rev. ed.). Ocford University Press.

Chicago Style (17th ed.) Citation

Lipsey and Chrystal. Introduction to Positive Economics. 8th rev. ed. Ocford: Ocford University Press, 1995.

MLA (8th ed.) Citation

Lipsey and Chrystal. Introduction to Positive Economics. 8th rev. ed. Ocford University Press, 1995.