APA (7th ed.) Citation

Samuelson, P. A. S. (1985). Economics twelfth edition. McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul A. Salim. Economics Twelfth Edition. McGraw-Hill, 1985.

MLA (8th ed.) Citation

Samuelson, Paul A. Salim. Economics Twelfth Edition. McGraw-Hill, 1985.

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