United States. Congress. House. Committee on the District of Columbia. Subcommittee on Police and Firemen & ProQuest (Firm). (1930). School for Policemen and Policewomen in D.C: Hearings before the United States House Committee on the District of Columbia, Subcommittee on Police and Firemen, Seventy-First Congress, second session, on Apr. 24, 1930. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia. Subcommittee on Police and Firemen and ProQuest (Firm). School for Policemen and Policewomen in D.C: Hearings Before the United States House Committee on the District of Columbia, Subcommittee on Police and Firemen, Seventy-First Congress, Second Session, on Apr. 24, 1930. Washington: U.S. G.P.O., 1930.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia. Subcommittee on Police and Firemen and ProQuest (Firm). School for Policemen and Policewomen in D.C: Hearings Before the United States House Committee on the District of Columbia, Subcommittee on Police and Firemen, Seventy-First Congress, Second Session, on Apr. 24, 1930. U.S. G.P.O., 1930.