APA (7th ed.) Citation

Lipsey, R. G. (1996). An introduction to positive economics (8th ed.). ELBS; Oxford Univ. Pr.

Chicago Style (17th ed.) Citation

Lipsey, Richard G. An Introduction to Positive Economics. 8th ed. Oxford: ELBS; Oxford Univ. Pr, 1996.

MLA (9th ed.) Citation

Lipsey, Richard G. An Introduction to Positive Economics. 8th ed. ELBS; Oxford Univ. Pr, 1996.