District of Columbia. Board of Commissioners. (1930). Acts of Congress affecting D.C., passed by 1st and 2nd sessions of 71st Congress, Apr. 15, 1929 to July 2, 1930. GPO.
Chicago Style (17th ed.) CitationDistrict of Columbia. Board of Commissioners. Acts of Congress Affecting D.C., Passed by 1st and 2nd Sessions of 71st Congress, Apr. 15, 1929 to July 2, 1930. [Washington]: GPO, 1930.
MLA (9th ed.) CitationDistrict of Columbia. Board of Commissioners. Acts of Congress Affecting D.C., Passed by 1st and 2nd Sessions of 71st Congress, Apr. 15, 1929 to July 2, 1930. GPO, 1930.
Warning: These citations may not always be 100% accurate.