Investigation of the Post Office service :
hearings before the Committee on Rules, House of Representatives, Sixty-fifth Congress, second session.

APA Citation

United States. Congress. House. Committee on Rules. (1918). Investigation of the Post Office service: hearings before the Committee on Rules, House of Representatives, Sixty-fifth Congress, second session. Washington: G.P.O..

MLA Citation

United States. Congress. House. Committee on Rules. Investigation of the Post Office Service: Hearings Before the Committee On Rules, House of Representatives, Sixty-fifth Congress, Second Session. Washington: G.P.O., 1918.