APA (7th ed.) Citation

(1970). Vol. 68, № 52; OiL and Gas journal. 1970.

Chicago Style (17th ed.) Citation

Vol. 68, № 52; OiL and Gas Journal. 1970, 1970.

MLA (9th ed.) Citation

Vol. 68, № 52; OiL and Gas Journal. 1970, 1970.

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