APA (7th ed.) Citation

United States. Postmaster General. (1925). Documentary internal revenue stamps at 3rd and 4th class post offices. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postmaster General. Documentary Internal Revenue Stamps at 3rd and 4th Class Post Offices. Washington: [publisher not identified], 1925.

MLA (9th ed.) Citation

United States. Postmaster General. Documentary Internal Revenue Stamps at 3rd and 4th Class Post Offices. [publisher not identified], 1925.

Warning: These citations may not always be 100% accurate.