APA (7th ed.) Citation

Dryden press, Welch, G., & Welch, P. (1998). Economics: Theory and practice (6th.). Dryden press.

Chicago Style (17th ed.) Citation

Dryden press, G. Welch, and P. Welch. Economics: Theory and Practice. 6th. New York: Dryden press, 1998.

MLA (8th ed.) Citation

Dryden press, et al. Economics: Theory and Practice. 6th. Dryden press, 1998.

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