APA (7th ed.) Citation

De Castro, L. D. (1979). The concept of freedom: A semantic analysis [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

De Castro, Leonardo D. The Concept of Freedom: A Semantic Analysis [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.

MLA (9th ed.) Citation

De Castro, Leonardo D. The Concept of Freedom: A Semantic Analysis [microform]. Photoduplication Service. University of the Philippines Library, 1979.