APA (7th ed.) Citation

Philippines. National Historical Institute. (1994). Historical markers: Regions V-XII. National Historical Institute.

Chicago Style (17th ed.) Citation

Philippines. National Historical Institute. Historical Markers: Regions V-XII. Manila: National Historical Institute, 1994.

MLA (9th ed.) Citation

Philippines. National Historical Institute. Historical Markers: Regions V-XII. National Historical Institute, 1994.

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