APA (7th ed.) Citation

Walton, J. B. (1981). Business profitability data, 1980 (1981 ed.). Weybridge Publishing Co..

Chicago Style (17th ed.) Citation

Walton, John B. Business Profitability Data, 1980. 1981 ed. Dallas, Tex.: Weybridge Publishing Co., 1981.

MLA (9th ed.) Citation

Walton, John B. Business Profitability Data, 1980. 1981 ed. Weybridge Publishing Co., 1981.