Ayala Museum, Ayala Foundation, & Filipinas Heritage Library. (1997). Castles of the sea: A history of the Manila galleon. Ayala Foundation.
Chicago Style (17th ed.) CitationAyala Museum, Ayala Foundation, and Filipinas Heritage Library. Castles of the Sea: A History of the Manila Galleon. Makati: Ayala Foundation, 1997.
MLA (9th ed.) CitationAyala Museum, et al. Castles of the Sea: A History of the Manila Galleon. Ayala Foundation, 1997.
Warning: These citations may not always be 100% accurate.