Cita APA (7a ed.)

Lidgett, A. (1919). Petroleum. I. Pitman & sons, ltd.

Cita Chicago Style (17a ed.)

Lidgett, Albert. Petroleum. London, New York [etc.]: I. Pitman & sons, ltd, 1919.

Cita MLA (8a ed.)

Lidgett, Albert. Petroleum. I. Pitman & sons, ltd, 1919.