APA (7th ed.) Citation

Welch, P. J., & Welch, G. F. (2007). Economics: Theory & practice (8th ed.). john Wiley.

Chicago Style (17th ed.) Citation

Welch, Patrick J., and Gerry F. Welch. Economics: Theory & Practice. 8th ed. Hoboken, NJ: john Wiley, 2007.

MLA (9th ed.) Citation

Welch, Patrick J., and Gerry F. Welch. Economics: Theory & Practice. 8th ed. john Wiley, 2007.