Washington, the Mall and vicinity, present and proposed buildings to be occupied by various government activities : 1917 / prepared by the Public Buildings Commission ; made under the direction of Colonel W.W. Harts and Colonel C.S. Ridley, Corps of Engin
MLA
Commission, United States. Public Buildings. Washington, the Mall and Vicinity, Present and Proposed Buildings to Be Occupied by Various Government Activities : 1917 / Prepared by the Public Buildings Commission ; Made under the Direction of Colonel W.W. Harts and Colonel C.S. Ridley, Corps of Engin. U.S. Senate, 1918. https://collections.library.yale.edu/catalog/15827557.
APA, 6th edition
Commission, U. S. P. B. (1918). Washington, the Mall and vicinity, present and proposed buildings to be occupied by various government activities : 1917 / prepared by the Public Buildings Commission ; made under the direction of Colonel W.W. Harts and Colonel C.S. Ridley, Corps of Engin [Maps]. U.S. Senate, https://collections.library.yale.edu/catalog/15827557.