Cita APA (7th ed.)

Etnyre , L. M. (1989). Finding oil and gas from well logs. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Etnyre , Lee M. Finding Oil and Gas from Well Logs. New York: Van Nostrand Reinhold, 1989.

Cita MLA (9th ed.)

Etnyre , Lee M. Finding Oil and Gas from Well Logs. Van Nostrand Reinhold, 1989.