APA (7th ed.) Citation

Uren, L. C. (1953). Decimal system for classifying data pertaining to the petroleum industry. University of California Press.

Chicago Style (17th ed.) Citation

Uren, Lester Charles. Decimal System for Classifying Data Pertaining to the Petroleum Industry. Berkley: University of California Press, 1953.

MLA (9th ed.) Citation

Uren, Lester Charles. Decimal System for Classifying Data Pertaining to the Petroleum Industry. University of California Press, 1953.