APA (7th ed.) Citation

Philippines. National Mapping and Resource Information Authority. (1993). Province of Basilan (Ed. 1, August, 1993.). National Mapping and Resource Information Authority.

Chicago Style (17th ed.) Citation

Philippines. National Mapping and Resource Information Authority. Province of Basilan. Ed. 1, August, 1993. Makati, Metro Manila: National Mapping and Resource Information Authority, 1993.

MLA (9th ed.) Citation

Philippines. National Mapping and Resource Information Authority. Province of Basilan. Ed. 1, August, 1993. National Mapping and Resource Information Authority, 1993.