Cita APA (7a ed.)

(1968). Vol. 66, № 42; OiL and Gas journal. 1968.

Cita Chicago Style (17a ed.)

Vol. 66, № 42; OiL and Gas Journal. 1968, 1968.

Cita MLA (9a ed.)

Vol. 66, № 42; OiL and Gas Journal. 1968, 1968.