APA (7th ed.) Citation

Samuelson, P. A. N. (1989). Economics thirteenth edition. McGraw-Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul A. Nordhaus. Economics Thirteenth Edition. McGraw-Hill, 1989.

MLA (8th ed.) Citation

Samuelson, Paul A. Nordhaus. Economics Thirteenth Edition. McGraw-Hill, 1989.

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