APA

United States, . (2018). An Act to Authorize the Board of Regents of the Smithsonian Institution to Plan, Design, and Construct a Central Parking Facility on National Zoological Park Property in the District of Columbia. [Washington, D.C.]: [U.S. Government Publishing Office].

Chicago

United States, . 2018. An Act to Authorize the Board of Regents of the Smithsonian Institution to Plan, Design, and Construct a Central Parking Facility on National Zoological Park Property in the District of Columbia. [Washington, D.C.]: [U.S. Government Publishing Office].

Harvard

United States, . (2018). An Act to Authorize the Board of Regents of the Smithsonian Institution to Plan, Design, and Construct a Central Parking Facility on National Zoological Park Property in the District of Columbia. [Washington, D.C.]: [U.S. Government Publishing Office].

MLA

United States, . An Act to Authorize the Board of Regents of the Smithsonian Institution to Plan, Design, and Construct a Central Parking Facility on National Zoological Park Property in the District of Columbia. [Washington, D.C.]: [U.S. Government Publishing Office]. 2018.