APA (7th ed.) Citation

Corby, G. W. (1951). Geology and oil possibilities of the Philippines. Bureau of Print.

Chicago Style (17th ed.) Citation

Corby, Grant W. Geology and Oil Possibilities of the Philippines. Manila: Bureau of Print, 1951.

MLA (9th ed.) Citation

Corby, Grant W. Geology and Oil Possibilities of the Philippines. Bureau of Print, 1951.