APA (7th ed.) Citation

United States. Postmaster General. (1921). Government control and operation of telegraph, telephone, and marine cable systems, Aug. 1, 1918 to July 31, 1919: Acts of Congress, proclamations of President, general orders of Postmaster General, reports on administration of wires. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Government Control and Operation of Telegraph, Telephone, and Marine Cable Systems, Aug. 1, 1918 to July 31, 1919: Acts of Congress, Proclamations of President, General Orders of Postmaster General, Reports on Administration of Wires. Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Postmaster General. Government Control and Operation of Telegraph, Telephone, and Marine Cable Systems, Aug. 1, 1918 to July 31, 1919: Acts of Congress, Proclamations of President, General Orders of Postmaster General, Reports on Administration of Wires. U.S. GPO, 1921.