APA (7th ed.) Citation

United States. Department of the Treasury. (1920). Child labor tax rulings (revised Sept. 1920). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Department of the Treasury. Child Labor Tax Rulings (revised Sept. 1920). [Washington, D.C.]: U.S. Government Printing Office, 1920.

MLA (9th ed.) Citation

United States. Department of the Treasury. Child Labor Tax Rulings (revised Sept. 1920). U.S. Government Printing Office, 1920.