Cite

Philippine Islands.

MLA

Co, Fort Dearborn Publishing. Philippine Islands. Fort Dearborn Pub. Co., 0AD. https://collections.library.yale.edu/catalog/12222021.

APA, 6th edition

Co, F. D. P. (0 C.E.). Philippine Islands. [Maps]. Fort Dearborn Pub. Co., https://collections.library.yale.edu/catalog/12222021.