U.S. Coast and Geodetic Survey. (1906). Philippine Islands sailing directions, Sections VI and VII: Mindoro Strait, Palawan Island, and Sulu Sea and Archipelago, 2nd edition. Manila: Bureau of Public Printing.
Chicago Style (17th ed.) CitationU.S. Coast and Geodetic Survey. Philippine Islands Sailing Directions, Sections VI and VII: Mindoro Strait, Palawan Island, and Sulu Sea and Archipelago, 2nd Edition. [Washington]: Manila: Bureau of Public Printing, 1906.
MLA (9th ed.) CitationU.S. Coast and Geodetic Survey. Philippine Islands Sailing Directions, Sections VI and VII: Mindoro Strait, Palawan Island, and Sulu Sea and Archipelago, 2nd Edition. Manila: Bureau of Public Printing, 1906.
Warning: These citations may not always be 100% accurate.