Style de citation APA (7e éd.)

Amen, A. M. (1977). Trajectories on some surfaces [microform]. Photoduplication Service. University of the Philippines Library.

Style de citation Chicago (17e éd.)

Amen, Alicia Maglaya. Trajectories on Some Surfaces [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Style de citation MLA (9e éd.)

Amen, Alicia Maglaya. Trajectories on Some Surfaces [microform]. Photoduplication Service. University of the Philippines Library, 1977.