APA (7th ed.) Citation

(1972). Vol. 70, № 31; OiL and Gas journal. 1972.

Chicago Style (17th ed.) Citation

Vol. 70, № 31; OiL and Gas Journal. 1972, 1972.

MLA (9th ed.) Citation

Vol. 70, № 31; OiL and Gas Journal. 1972, 1972.

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