APA (7th ed.) Citation

Shuman, R. B. (1940). The petroleum industry, an economic survey. University of Oklahoma press.

Chicago Style (17th ed.) Citation

Shuman, Ronald B. The Petroleum Industry, an Economic Survey. Norman: University of Oklahoma press, 1940.

MLA (9th ed.) Citation

Shuman, Ronald B. The Petroleum Industry, an Economic Survey. University of Oklahoma press, 1940.