APA (7th ed.) Citation

United States. Department of Labor. (2000). Welcome to O*NET OnLine. U.S. Dept. of Labor.

Chicago Style (17th ed.) Citation

United States. Department of Labor. Welcome to O*NET OnLine. [Washington, D.C.?]: U.S. Dept. of Labor, 2000.

MLA (9th ed.) Citation

United States. Department of Labor. Welcome to O*NET OnLine. U.S. Dept. of Labor, 2000.