APA (7th ed.) Citation

Oro, R. S. (1977). Penetration and infection of corn by Duccinia polysora underwent [microform]. Photoduplication Service. University of the Philippines Library.

Chicago Style (17th ed.) Citation

Oro, Rosalinda Santiago. Penetration and Infection of Corn by Duccinia Polysora Underwent [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9th ed.) Citation

Oro, Rosalinda Santiago. Penetration and Infection of Corn by Duccinia Polysora Underwent [microform]. Photoduplication Service. University of the Philippines Library, 1977.