APA (7th ed.) Citation

United States. Postal Service. Fourth Assistant Postmaster General. (1906). Rural delivery service: Box regulations. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postal Service. Fourth Assistant Postmaster General. Rural Delivery Service: Box Regulations. Washington, D.C.: [publisher not identified], 1906.

MLA (9th ed.) Citation

United States. Postal Service. Fourth Assistant Postmaster General. Rural Delivery Service: Box Regulations. [publisher not identified], 1906.

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