APA (7th ed.) Citation

Gibb, A. Some evidence agriculturally-based cities [microfilm]. Photoduplication Service, University of the Philippines Library,1976.

Chicago Style (17th ed.) Citation

Gibb, Arthur. Some Evidence Agriculturally-based Cities [microfilm]. Quezon City: Photoduplication Service, University of the Philippines Library,1976.

MLA (9th ed.) Citation

Gibb, Arthur. Some Evidence Agriculturally-based Cities [microfilm]. Photoduplication Service, University of the Philippines Library,1976.