APA (7th ed.) Citation

Não informado. (1961). Society of Petroleum Engineers Journal. Society of Petroleum Engineers.

Chicago Style (17th ed.) Citation

Não informado. Society of Petroleum Engineers Journal. Dallas, Tex: Society of Petroleum Engineers, 1961.

MLA (8th ed.) Citation

Não informado. Society of Petroleum Engineers Journal. Society of Petroleum Engineers, 1961.

Warning: These citations may not always be 100% accurate.