U.S. Coast and Geodetic Survey. (1906). Philippine Islands sailing directions, Section I: North and west coasts of Luzon and adjacent islands, from Cape Engano to Manila Bay, 3rd edition. [publisher not identified].
Chicago Style (17th ed.) CitationU.S. Coast and Geodetic Survey. Philippine Islands Sailing Directions, Section I: North and West Coasts of Luzon and Adjacent Islands, from Cape Engano to Manila Bay, 3rd Edition. [Washington]: [publisher not identified], 1906.
MLA (9th ed.) CitationU.S. Coast and Geodetic Survey. Philippine Islands Sailing Directions, Section I: North and West Coasts of Luzon and Adjacent Islands, from Cape Engano to Manila Bay, 3rd Edition. [publisher not identified], 1906.
Warning: These citations may not always be 100% accurate.