APA (7th ed.) Citation

Forbes, W. C. (1977). The Philippine islands [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Forbes, William Cameron. The Philippine Islands [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Forbes, William Cameron. The Philippine Islands [microform]. Photoduplication Service, University of the Philippines Library, 1977.