The El Dorado, Arkansas, oil and gas field; geological outline, operation methods, conservation

Chicago citation style
Bell, H. W. (Harry Wesley), b. 1883. The El Dorado, Arkansas, oil and gas field; geological outline, operation methods, conservation. 1922. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007650853. (Accessed November 17, 2018.)
APA citation style
Bell, H. W. (Harry Wesley), b. 1883, (1922) The El Dorado, Arkansas, oil and gas field; geological outline, operation methods, conservation. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007650853
MLA citation style
Bell, H. W. (Harry Wesley), b. 1883. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007650853>.
Note: These citations are programmatically generated and may be incomplete.