Adams, William Waugh & Chenoweth, L. Coal-Mine Fatalities in February, 1931. [Washington D.C.]. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc38387/. Accessed March 10, 2014.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.