APA (7th ed.) Citation

Medina, I. R. (1991). Some problems confronting place name research in the Philippines. The Journal of History.

Chicago Style (17th ed.) Citation

Medina, Isagani R. "Some Problems Confronting Place Name Research in the Philippines." The Journal of History 1991.

MLA (9th ed.) Citation

Medina, Isagani R. "Some Problems Confronting Place Name Research in the Philippines." The Journal of History, 1991.

Warning: These citations may not always be 100% accurate.