Citação norma APA

Elazegui, F. A. (1977). Helminthosporium leaf spot of sorghum in the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Citação norma Chicago

Elazegui, Francisco Alicpala. Helminthosporium Leaf Spot of Sorghum in the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

Citação norma MLA

Elazegui, Francisco Alicpala. Helminthosporium Leaf Spot of Sorghum in the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1977.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.