Mining and preparing domestic graphite for crucible use

Chicago citation style
Dub, George David, 1889-. Mining and preparing domestic graphite for crucible use. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431678. (Accessed September 21, 2018.)
APA citation style
Dub, George David, 1889-, (1920) Mining and preparing domestic graphite for crucible use. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011431678
MLA citation style
Dub, George David, 1889-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011431678>.
Note: These citations are programmatically generated and may be incomplete.