APA (7th ed.) Citation

(1941). Mindanao, Philippine Islands. Coast and Geodetic Survey.

Chicago Style (17th ed.) Citation

Mindanao, Philippine Islands. Manila: Coast and Geodetic Survey, 1941.

MLA (9th ed.) Citation

Mindanao, Philippine Islands. Coast and Geodetic Survey, 1941.

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