APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Rates & ProQuest (Firm). (1968). Standardizing the Sizes of Mail: Hearings before the United States House Committee on Post Office and Civil Service, Subcommittee on Postal Rates, Ninetieth Congress, second session, on Feb. 28, Mar. 20, 28, Apr. 2, July 16, 17, 30, 1968. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Rates and ProQuest (Firm). Standardizing the Sizes of Mail: Hearings Before the United States House Committee on Post Office and Civil Service, Subcommittee on Postal Rates, Ninetieth Congress, Second Session, on Feb. 28, Mar. 20, 28, Apr. 2, July 16, 17, 30, 1968. Washington: U.S. G.P.O., 1968.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Rates and ProQuest (Firm). Standardizing the Sizes of Mail: Hearings Before the United States House Committee on Post Office and Civil Service, Subcommittee on Postal Rates, Ninetieth Congress, Second Session, on Feb. 28, Mar. 20, 28, Apr. 2, July 16, 17, 30, 1968. U.S. G.P.O., 1968.