United States. Congress. House. Committee on the District of Columbia & ProQuest (Firm). (1917). Protection against extortion. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia and ProQuest (Firm). Protection Against Extortion. Washington: [publisher not identified], 1917.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on the District of Columbia and ProQuest (Firm). Protection Against Extortion. [publisher not identified], 1917.
Warning: These citations may not always be 100% accurate.