APA (7th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. (1976). Topographical base map[s]. The Survey.

Chicago Style (17th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Topographical Base Map[s]. Manila: The Survey, 1976.

MLA (9th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Topographical Base Map[s]. The Survey, 1976.

Warning: These citations may not always be 100% accurate.