Cita APA (7a ed.)

Tiemsakul, T. (1977). The alkaloids of the leaves of alstonia macrophylla wall (fam. apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago Style (17a ed.)

Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA (9a ed.)

Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library, 1977.