APA (7th ed.) Citation

United States. Postal Service. Money Orders Division. (1902). Postal money order system of U.S., abstract of principal operations, fiscal year ended June 30, 1902. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postal Service. Money Orders Division. Postal Money Order System of U.S., Abstract of Principal Operations, Fiscal Year Ended June 30, 1902. Washington, D.C.: [publisher not identified], 1902.

MLA (9th ed.) Citation

United States. Postal Service. Money Orders Division. Postal Money Order System of U.S., Abstract of Principal Operations, Fiscal Year Ended June 30, 1902. [publisher not identified], 1902.