APA (7th ed.) Citation

National Historical Institute (Philippines). (2008). Historical markers, 1992-2006. National Historical Institute.

Chicago Style (17th ed.) Citation

National Historical Institute (Philippines). Historical Markers, 1992-2006. Manila, Philippines: National Historical Institute, 2008.

MLA (9th ed.) Citation

National Historical Institute (Philippines). Historical Markers, 1992-2006. National Historical Institute, 2008.

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