APA (7th ed.) Citation

Shenkel, W. M. (1980). Modern real estate principles (Rev. ed.). Business Pub.

Chicago Style (17th ed.) Citation

Shenkel, William Monroe. Modern Real Estate Principles. Rev. ed. Dallas, Tex: Business Pub, 1980.

MLA (9th ed.) Citation

Shenkel, William Monroe. Modern Real Estate Principles. Rev. ed. Business Pub, 1980.