APA (7th ed.) Citation

FORBES. (1976). The Philippine Island (Revised edition.). Harvard University Press.

Chicago Style (17th ed.) Citation

FORBES. The Philippine Island. Revised edition. Cambridge: Harvard University Press, 1976.

MLA (8th ed.) Citation

FORBES. The Philippine Island. Revised edition. Harvard University Press, 1976.

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