Modern coal breaker in the Anthracite Region of Pennsylvania

Chicago citation style
Modern coal breaker in the Anthracite Region of Pennsylvania. 1930-1945. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90dx459. (Accessed June 23, 2018.)
APA citation style
(1930-1945) Modern coal breaker in the Anthracite Region of Pennsylvania. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90dx459
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4m90dx459>.
Note: These citations are programmatically generated and may be incomplete.