Tactical map, Fort Riley & vicinity / horizontal and vertical control by U.S.G.S. & U.S.C. & G.S. ; aerial photography by Flight C 1st Photographic Squadron, A.C. Dec. 1940 ; multiplex mapping & drafting by the District Engineer, U.S.E.D. Little Rock, Ark
MLA
Tactical Map, Fort Riley & Vicinity / Horizontal and Vertical Control by U.S.G.S. & U.S.C. & G.S. ; Aerial Photography by Flight C 1st Photographic Squadron, A.C. Dec. 1940 ; Multiplex Mapping & Drafting by the District Engineer, U.S.E.D. Little Rock, Ark. s.n., 1946. https://collections.library.yale.edu/catalog/15814845.
APA, 6th edition
Tactical map, Fort Riley & vicinity / horizontal and vertical control by U.S.G.S. & U.S.C. & G.S. ; aerial photography by Flight C 1st Photographic Squadron, A.C. Dec. 1940 ; multiplex mapping & drafting by the District Engineer, U.S.E.D. Little Rock, Ark. (1946). [Maps]. s.n., https://collections.library.yale.edu/catalog/15814845.
