APA (7th ed.) Citation

United States. Postmaster General. (1924). Apartment-house mail receptacles, regulations and instructions to stop mail thefts in apartment houses. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Apartment-house Mail Receptacles, Regulations and Instructions to Stop Mail Thefts in Apartment Houses. Washington: U.S. GPO, 1924.

MLA (9th ed.) Citation

United States. Postmaster General. Apartment-house Mail Receptacles, Regulations and Instructions to Stop Mail Thefts in Apartment Houses. U.S. GPO, 1924.

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