Cita APA (7a ed.)

Conant, M. A. (1986). The world gas trade: A resource for the futur. Westview.

Cita Chicago Style (17a ed.)

Conant, Melvin A. The World Gas Trade: A Resource for the Futur. Boulder, Colo: Westview, 1986.

Cita MLA (9a ed.)

Conant, Melvin A. The World Gas Trade: A Resource for the Futur. Westview, 1986.