APA (7th ed.) Citation

Ebel, R. E. (1961). The petroleum industry of the Soviet Union. [American Petroleum Institute].

Chicago Style (17th ed.) Citation

Ebel, Robert E. The Petroleum Industry of the Soviet Union. [New York]: [American Petroleum Institute], 1961.

MLA (9th ed.) Citation

Ebel, Robert E. The Petroleum Industry of the Soviet Union. [American Petroleum Institute], 1961.