APA (7th ed.) Citation

National Historical Institute (Philippines). (1993). Historical markers: Metropolitan Manila. National Historical Institute.

Chicago Style (17th ed.) Citation

National Historical Institute (Philippines). Historical Markers: Metropolitan Manila. Ermita, Manila: National Historical Institute, 1993.

MLA (9th ed.) Citation

National Historical Institute (Philippines). Historical Markers: Metropolitan Manila. National Historical Institute, 1993.

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