APA (7th ed.) Citation

Samuelson, P. A. (2008). Economics,18e (18.). T M H.

Chicago Style (17th ed.) Citation

Samuelson, Paul A. Economics,18e. 18. New Delhi: T M H, 2008.

MLA (9th ed.) Citation

Samuelson, Paul A. Economics,18e. 18. T M H, 2008.