APA (7th ed.) Citation

(1953). Northern Luzon. Phil. Coast and Geodetic Survey.

Chicago Style (17th ed.) Citation

Northern Luzon. Manila: Phil. Coast and Geodetic Survey, 1953.

MLA (9th ed.) Citation

Northern Luzon. Phil. Coast and Geodetic Survey, 1953.

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