Oil Well--Bradford Oil fields, oil metropolis of the world

Chicago citation style
Oil Well--Bradford Oil fields, oil metropolis of the world. 1930-1945. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f0910. (Accessed June 24, 2018.)
APA citation style
(1930-1945) Oil Well--Bradford Oil fields, oil metropolis of the world. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90f0910
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4m90f0910>.
Note: These citations are programmatically generated and may be incomplete.