APA (7th ed.) Citation

Wooldridge, J. M. (2009). Introductory econometrics: A modern approach (4a ed.). South-Western.

Chicago Style (17th ed.) Citation

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. 4a ed. Cincinnati: South-Western, 2009.

MLA (9th ed.) Citation

Wooldridge, Jeffrey M. Introductory Econometrics: A Modern Approach. 4a ed. South-Western, 2009.