Philippines. Bureau of Coast and Geodetic Survey. (1976). Topographical base map[s]. The Survey.
Chicago Style (17th ed.) CitationPhilippines. Bureau of Coast and Geodetic Survey. Topographical Base Map[s]. Manila: The Survey, 1976.
MLA (9th ed.) CitationPhilippines. Bureau of Coast and Geodetic Survey. Topographical Base Map[s]. The Survey, 1976.
Warning: These citations may not always be 100% accurate.