APA (7th ed.) Citation

Philippines. National Mapping and Resource Information Authority, Philippines. National Cartography Authority, & Philippines. Board of Technical Surveys and Maps. (1961). Philippines 1: 50,000. Dept. of Environment and Natural Resources, National Mapping & Resource Information Authority.

Chicago Style (17th ed.) Citation

Philippines. National Mapping and Resource Information Authority, Philippines. National Cartography Authority, and Philippines. Board of Technical Surveys and Maps. Philippines 1: 50,000. Manila: Dept. of Environment and Natural Resources, National Mapping & Resource Information Authority, 1961.

MLA (8th ed.) Citation

Philippines. National Mapping and Resource Information Authority, et al. Philippines 1: 50,000. Dept. of Environment and Natural Resources, National Mapping & Resource Information Authority, 1961.