Blair, E. H., Robertson, J. A., Bourne, E. G., & Defensor, A. E. A. (2000). The Philippine Islands, 1493-1898. s.n.].
Chicago Style (17th ed.) CitationBlair, Emma Helen, James Alexander Robertson, Edward Gaylord Bourne, and Antonio E. A. Defensor. The Philippine Islands, 1493-1898. [Manila: s.n.], 2000.
MLA (9th ed.) CitationBlair, Emma Helen, et al. The Philippine Islands, 1493-1898. s.n.], 2000.
Warning: These citations may not always be 100% accurate.