APA (7th ed.) Citation

(1993). Historical markers: Regions I-IV and CAR. National Historical Institute.

Chicago Style (17th ed.) Citation

Historical Markers: Regions I-IV and CAR. Manila: National Historical Institute, 1993.

MLA (9th ed.) Citation

Historical Markers: Regions I-IV and CAR. National Historical Institute, 1993.

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