Philippine Islands city plans. Pototan.
MLA
Manila Fire Insurance Association, United States. Army Map Service. Philippine Islands City Plans. Pototan. The Service, 1944. https://collections.library.yale.edu/catalog/15238617.
APA, 6th edition
Manila Fire Insurance Association, U. S. A. M. S. (1944). Philippine Islands city plans. Pototan. [Maps]. The Service, https://collections.library.yale.edu/catalog/15238617.