Cita APA (7a ed.)

Torres, L. A. (1977). Human ecology and informal groups [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago Style (17a ed.)

Torres, Lilia Arbues. Human Ecology and Informal Groups [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA (9a ed.)

Torres, Lilia Arbues. Human Ecology and Informal Groups [microform]. Photoduplication Service. University of the Philippines Library, 1977.