APA (7th ed.) Citation

Osmena, S., Sr. (1973). How Baguio City was born [microform]. Photoduplication Service, University of the Philippines Library.

Chicago Style (17th ed.) Citation

Osmena, Sergio, Sr. How Baguio City Was Born [microform]. [Quezon City]: Photoduplication Service, University of the Philippines Library, 1973.

MLA (9th ed.) Citation

Osmena, Sergio, Sr. How Baguio City Was Born [microform]. Photoduplication Service, University of the Philippines Library, 1973.