United States. Department of the Interior. Office of the Secretary. (1899). Official register of U.S., containing list of officers and employees in civil, military, and naval service, together with list of vessels belonging to U.S., July 1, 1899, Volume II: Post Office Department and postal service. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Office of the Secretary. Official Register of U.S., Containing List of Officers and Employees in Civil, Military, and Naval Service, Together with List of Vessels Belonging to U.S., July 1, 1899, Volume II: Post Office Department and Postal Service. [Washington]: GPO, 1899.
MLA (9th ed.) CitationUnited States. Department of the Interior. Office of the Secretary. Official Register of U.S., Containing List of Officers and Employees in Civil, Military, and Naval Service, Together with List of Vessels Belonging to U.S., July 1, 1899, Volume II: Post Office Department and Postal Service. GPO, 1899.