APA (7th ed.) Citation

Sobel, R. S. (2009). Understanding economics (International student ed.). Thomson/South-Western.

Chicago Style (17th ed.) Citation

Sobel, Russell S. Understanding Economics. International student ed. Australia: Thomson/South-Western, 2009.

MLA (9th ed.) Citation

Sobel, Russell S. Understanding Economics. International student ed. Thomson/South-Western, 2009.

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