APA (7th ed.) Citation

Alcala, L. R., Castaneto, C. G., & Paraiso, N. M. (1978). A content analysis of the book Principles of Biology [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Alcala, Leticia R., Consolacion G. Castaneto, and Norma Munoz Paraiso. A Content Analysis of the Book Principles of Biology [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1978.

MLA (9th ed.) Citation

Alcala, Leticia R., et al. A Content Analysis of the Book Principles of Biology [microform]. Photoduplication Service. University of the Philippines Library, 1978.