APA (7th ed.) Citation

(1930). Die-head chasers (for self-opening and adjustable die heads). U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Die-head Chasers (for Self-opening and Adjustable Die Heads). [Washington?]: U.S. Government Printing Office, 1930.

MLA (9th ed.) Citation

Die-head Chasers (for Self-opening and Adjustable Die Heads). U.S. Government Printing Office, 1930.