Cita APA (7th ed.)

Petroleum Legislation, New York. (1972). Petroleum legislation. Barrows.

Cita Chicago (17th ed.)

Petroleum Legislation, New York. Petroleum Legislation. New York, N. Y: Barrows, 1972.

Cita MLA (9th ed.)

Petroleum Legislation, New York. Petroleum Legislation. Barrows, 1972.