Military map of the isle of Luzon / drawn by C.H. Ourang, D.H. Blakelock & E.H. Stück ; Julius Bien & Co. photo. lith.
MLA
Bien, Julius, and United States. Adjutant-General's Office. Military Information Division Co. Military Map of the Isle of Luzon / Drawn by C.H. Ourang, D.H. Blakelock & E.H. Stück ; Julius Bien & Co. Photo. Lith. War Department, Adjutant General's Office, 1900. https://collections.library.yale.edu/catalog/12222061.
APA, 6th edition
Bien, J., & Co, U. S. A.-G. O. M. I. D. (1900). Military map of the isle of Luzon / drawn by C.H. Ourang, D.H. Blakelock & E.H. Stück ; Julius Bien & Co. photo. lith. [Maps]. War Department, Adjutant General's Office, https://collections.library.yale.edu/catalog/12222061.