Cita APA (7a ed.)

Osias, C., & Mariano, P. (1976). The Philippine charter of liberty [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago Style (17a ed.)

Osias, Camilo, y Patricio Mariano. The Philippine Charter of Liberty [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

Cita MLA (9a ed.)

Osias, Camilo, y Patricio Mariano. The Philippine Charter of Liberty [microform]. Photoduplication Service, University of the Philippines Library, 1976.