Cita APA (7a ed.)

Smith, W. D. P. (1976). Geographical works in the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Cita Chicago Style (17a ed.)

Smith, Warren Du Pre. Geographical Works in the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.

Cita MLA (9a ed.)

Smith, Warren Du Pre. Geographical Works in the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1976.