Masters, E. L. (1977). Gettysburg, Manila, Acoma [microform]. Photoduplication Service. University of the Philippines Library.
Cita Chicago Style (17a ed.)Masters, Edgar Lee. Gettysburg, Manila, Acoma [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Cita MLA (9a ed.)Masters, Edgar Lee. Gettysburg, Manila, Acoma [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Precaución: Estas citas no son 100% exactas.