APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads & ProQuest (Firm). (1935). Pneumatic Mail Tube Systems: Hearings before the United States House Committee on Post Office and Post Roads, Subcommittee No. 3, Post Office Quarters and Facilities, Seventy-Fourth Congress, first session, on June 18, 1935. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Pneumatic Mail Tube Systems: Hearings Before the United States House Committee on Post Office and Post Roads, Subcommittee No. 3, Post Office Quarters and Facilities, Seventy-Fourth Congress, First Session, on June 18, 1935. Washington: U.S. G.P.O., 1935.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Pneumatic Mail Tube Systems: Hearings Before the United States House Committee on Post Office and Post Roads, Subcommittee No. 3, Post Office Quarters and Facilities, Seventy-Fourth Congress, First Session, on June 18, 1935. U.S. G.P.O., 1935.