APA (7th ed.) Citation

(1957). Vol. 55, № 21; OiL and Gas journal. 1957.

Chicago Style (17th ed.) Citation

Vol. 55, № 21; OiL and Gas Journal. 1957, 1957.

MLA (9th ed.) Citation

Vol. 55, № 21; OiL and Gas Journal. 1957, 1957.

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