APA (7th ed.) Citation

District of Columbia. Board of Commissioners. (1930). Zoning regulations of D.C. U.S. GPO.

Chicago Style (17th ed.) Citation

District of Columbia. Board of Commissioners. Zoning Regulations of D.C. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

District of Columbia. Board of Commissioners. Zoning Regulations of D.C. U.S. GPO, 1930.

Warning: These citations may not always be 100% accurate.