APA (7th ed.) Citation

United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1919). One-Cent Drop Postage: Hearings before the United States Senate Committee on Post Offices and Post Roads, Subcommittee on S. 3283, Sixty-Sixth Congress, second session, on Dec. 9, 1919. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). One-Cent Drop Postage: Hearings Before the United States Senate Committee on Post Offices and Post Roads, Subcommittee on S. 3283, Sixty-Sixth Congress, Second Session, on Dec. 9, 1919. Washington: U.S. G.P.O., 1919.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). One-Cent Drop Postage: Hearings Before the United States Senate Committee on Post Offices and Post Roads, Subcommittee on S. 3283, Sixty-Sixth Congress, Second Session, on Dec. 9, 1919. U.S. G.P.O., 1919.