Cita APA (7th ed.)

Lilley, E. R. (1928). The geology of petroleum and natural gas. Chapman & Hall.

Cita Chicago (17th ed.)

Lilley, Ernest Raymond. The Geology of Petroleum and Natural Gas. London: Chapman & Hall, 1928.

Cita MLA (8th ed.)

Lilley, Ernest Raymond. The Geology of Petroleum and Natural Gas. Chapman & Hall, 1928.