APA (7th ed.) Citation

Lilley, E. R. (1928). The geology of petroleum and natural gas. van Nostrand.

Chicago Style (17th ed.) Citation

Lilley, Ernest Raymond. The Geology of Petroleum and Natural Gas. New York: van Nostrand, 1928.

MLA (9th ed.) Citation

Lilley, Ernest Raymond. The Geology of Petroleum and Natural Gas. van Nostrand, 1928.

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