APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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