APA (7th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. (1971). Aparri Anchorage and part of Cagayan River: North coast of Luzon. Philippine Coast and Geodetic Survey.

Chicago Style (17th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Aparri Anchorage and Part of Cagayan River: North Coast of Luzon. Manila: Philippine Coast and Geodetic Survey, 1971.

MLA (9th ed.) Citation

Philippines. Bureau of Coast and Geodetic Survey. Aparri Anchorage and Part of Cagayan River: North Coast of Luzon. Philippine Coast and Geodetic Survey, 1971.

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