APA (7th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. (1940). Central Luzon, Philippine Islands: Western sheet. Coast and Geodetic Survey.

Chicago Style (17th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Central Luzon, Philippine Islands: Western Sheet. Manila: Coast and Geodetic Survey, 1940.

MLA (9th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Central Luzon, Philippine Islands: Western Sheet. Coast and Geodetic Survey, 1940.

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