APA (7th ed.) Citation

Hobson, G. D. (1954). Some fundamentals of petroleum geology. Oxford University Press.

Chicago Style (17th ed.) Citation

Hobson, George Douglas. Some Fundamentals of Petroleum Geology. London, New York: Oxford University Press, 1954.

MLA (9th ed.) Citation

Hobson, George Douglas. Some Fundamentals of Petroleum Geology. Oxford University Press, 1954.