Perspective view of Gettysburg National Military Park / drawn under the direction of the Gettysburg National Park Commission, Colonel John P. Nicholson, Chairman, Major Charles A. Richardson, Commissioner. Drawing made February, 1919, by Lieut.-Colonel E.
MLA
Cope, Emmor B. Perspective View of Gettysburg National Military Park / Drawn under the Direction of the Gettysburg National Park Commission, Colonel John P. Nicholson, Chairman, Major Charles A. Richardson, Commissioner. Drawing Made February, 1919, by Lieut.-Colonel E. s.n.] , 1919. https://collections.library.yale.edu/catalog/15811131.
APA, 6th edition
Cope, E. B. (1919). Perspective view of Gettysburg National Military Park / drawn under the direction of the Gettysburg National Park Commission, Colonel John P. Nicholson, Chairman, Major Charles A. Richardson, Commissioner. Drawing made February, 1919, by Lieut.-Colonel E. [Maps]. s.n.] , https://collections.library.yale.edu/catalog/15811131.