APA (7th ed.) Citation

(1929). Care and adjustment of folding testers of Schopper type. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Care and Adjustment of Folding Testers of Schopper Type. [Washington?]: U.S. Government Printing Office, 1929.

MLA (9th ed.) Citation

Care and Adjustment of Folding Testers of Schopper Type. U.S. Government Printing Office, 1929.