Cita APA (7th ed.)

Casals, E. G. (1975). Pregnancy: A study of its psychology [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Casals, Emma G. Pregnancy: A Study of Its Psychology [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1975.

Cita MLA (9th ed.)

Casals, Emma G. Pregnancy: A Study of Its Psychology [microform]. Photoduplication Service. University of the Philippines Library, 1975.