Aduarte, D., Robertson, J. A., & Blair, E. H. (2013). The Philippine Islands, 1493-1898: Volume XXXII, 1640 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the Catholic missions, as related in contemporaneous books and manuscripts, show. Project Gutenberg.
Chicago Style (17th ed.) CitationAduarte, Diego, James Alexander Robertson, and Emma Helen Blair. The Philippine Islands, 1493-1898: Volume XXXII, 1640 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, Show. Project Gutenberg, 2013.
MLA (9th ed.) CitationAduarte, Diego, et al. The Philippine Islands, 1493-1898: Volume XXXII, 1640 Explorations by Early Navigators, Descriptions of the Islands and Their Peoples, Their History and Records of the Catholic Missions, as Related in Contemporaneous Books and Manuscripts, Show. Project Gutenberg, 2013.