Cite

Philippine city plans, 1:6,000. Davao and Santa Ana.

MLA

Service, United States. Army Map. Philippine City Plans, 1:6,000. Davao and Santa Ana. The Service, 1944. https://collections.library.yale.edu/catalog/15238608.

APA, 6th edition

Service, U. S. A. M. (1944). Philippine city plans, 1:6,000. Davao and Santa Ana. [Maps]. The Service, https://collections.library.yale.edu/catalog/15238608.