APA (7th ed.) Citation

Welch, P. J., & Welch, G. F. (2004). Economics: Theory and practice (7th ed.). Wiley.

Chicago Style (17th ed.) Citation

Welch, Patrick J., and Gerry F. Welch. Economics: Theory and Practice. 7th ed. Hoboken, NJ: Wiley, 2004.

MLA (8th ed.) Citation

Welch, Patrick J., and Gerry F. Welch. Economics: Theory and Practice. 7th ed. Wiley, 2004.