APA (7th ed.) Citation

Hager, D. (1939). Fundamentals of the petroleum industry. McGraw-Hill.

Chicago Style (17th ed.) Citation

Hager, Dorsey. Fundamentals of the Petroleum Industry. New York: McGraw-Hill, 1939.

MLA (9th ed.) Citation

Hager, Dorsey. Fundamentals of the Petroleum Industry. McGraw-Hill, 1939.