MLA

Island of Luzon. Sheet No. 57. Parts of Manila, Cavite, La Laguna, and Batangas Provinces. Office Chief Engineer, Division of the Philippines, 0AD. https://collections.library.yale.edu/catalog/12222066.

APA, 6th edition

Island of Luzon. Sheet no. 57. Parts of Manila, Cavite, La Laguna, and Batangas Provinces. (0 C.E.). [Maps]. Office Chief Engineer, Division of the Philippines, https://collections.library.yale.edu/catalog/12222066.