District of Columbia. Board of Commissioners & ProQuest (Firm). (1919). Annual Report of the Commissioners of the District of Columbia. Year ended June 30, 1919. [publisher not identified].
Chicago Style (17th ed.) CitationDistrict of Columbia. Board of Commissioners and ProQuest (Firm). Annual Report of the Commissioners of the District of Columbia. Year Ended June 30, 1919. Washington: [publisher not identified], 1919.
MLA (9th ed.) CitationDistrict of Columbia. Board of Commissioners and ProQuest (Firm). Annual Report of the Commissioners of the District of Columbia. Year Ended June 30, 1919. [publisher not identified], 1919.
Warning: These citations may not always be 100% accurate.