Cite

Islas Filipinas [cartographic material]

MLA

Islas Filipinas [Cartographic Material]. publisher not identified, 1852. https://collections.library.yale.edu/catalog/12222024.

APA, 6th edition

Islas Filipinas [cartographic material]. (1852). [Maps, Topographic maps]. publisher not identified. https://collections.library.yale.edu/catalog/12222024.