Não informado. (1961). Society of Petroleum Engineers Journal. Society of Petroleum Engineers.
Style de citation Chicago (17e éd.)Não informado. Society of Petroleum Engineers Journal. Dallas, Tex: Society of Petroleum Engineers, 1961.
Style de citation MLA (8e éd.)Não informado. Society of Petroleum Engineers Journal. Society of Petroleum Engineers, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.