Cita APA (7a ed.)

Não informado. (1975). Improved oil-recovery field reports. Society of Petroleum Engineers.

Cita Chicago Style (17a ed.)

Não informado. Improved Oil-recovery Field Reports. Dallas, Tex: Society of Petroleum Engineers, 1975.

Cita MLA (8a ed.)

Não informado. Improved Oil-recovery Field Reports. Society of Petroleum Engineers, 1975.

Precaución: Estas citas no son 100% exactas.