Cita APA (7th ed.)

Viola, V. G. (1974). Studies on the freshwater chorophyceae in Puerto Galera, Oriental Mindoro [microform]. Photoduplication Service,University of the Philippines Library.

Cita Chicago (17th ed.)

Viola, Violeta G. Studies on the Freshwater Chorophyceae in Puerto Galera, Oriental Mindoro [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1974.

Cita MLA (9th ed.)

Viola, Violeta G. Studies on the Freshwater Chorophyceae in Puerto Galera, Oriental Mindoro [microform]. Photoduplication Service,University of the Philippines Library, 1974.