Cita APA (7a ed.)

Society of Petroleum Engineers, United States. Department of Energy, & Symposium On Enhanced Oil Recovery (2nd : April 5-8, 1981 : Oklahoma). (1981). Proceedings. Joint SPE/DOE. Society of Petroleum Engineers.

Cita Chicago Style (17a ed.)

Society of Petroleum Engineers, United States. Department of Energy, y 1981 : Oklahoma) Symposium On Enhanced Oil Recovery (2nd : April 5-8. Proceedings. Joint SPE/DOE. Oklahoma: Society of Petroleum Engineers, 1981.

Cita MLA (8a ed.)

Society of Petroleum Engineers, et al. Proceedings. Joint SPE/DOE. Society of Petroleum Engineers, 1981.