APA (7th ed.) Citation

HarperCollins, Gourant, P., & Lipsey, R. G. (1996). Economics (11th.). HarperCollins.

Chicago Style (17th ed.) Citation

HarperCollins, P. Gourant, and Richard G. Lipsey. Economics. 11th. [χ.τ.]: HarperCollins, 1996.

MLA (8th ed.) Citation

HarperCollins, et al. Economics. 11th. HarperCollins, 1996.

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