APA (7th ed.) Citation

United States. SIC Coding Task Group, United States. Bureau of the Census, United States. Bureau of the Census. Economic Surveys Division, & United States. Bureau of the Census. Economic Census and Surveys Division. Industry and product classification manual. U.S. Dept. of Commerce, Bureau of the Census.

Chicago Style (17th ed.) Citation

United States. SIC Coding Task Group, United States. Bureau of the Census, United States. Bureau of the Census. Economic Surveys Division, and United States. Bureau of the Census. Economic Census and Surveys Division. Industry and Product Classification Manual. [Washington, D.C.?]: U.S. Dept. of Commerce, Bureau of the Census.

MLA (9th ed.) Citation

United States. SIC Coding Task Group, et al. Industry and Product Classification Manual. U.S. Dept. of Commerce, Bureau of the Census.