APA (7th ed.) Citation

United States. Postal Service. Free Delivery Division. (1903). Instructions for conduct of registry business in rural free delivery service. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postal Service. Free Delivery Division. Instructions for Conduct of Registry Business in Rural Free Delivery Service. Washington, D.C.: [publisher not identified], 1903.

MLA (9th ed.) Citation

United States. Postal Service. Free Delivery Division. Instructions for Conduct of Registry Business in Rural Free Delivery Service. [publisher not identified], 1903.