The passivity of cobalt

Chicago citation style
Thing, Curtis Willard, 1894-. The passivity of cobalt. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001033118. (Accessed November 14, 2018.)
APA citation style
Thing, Curtis Willard, 1894-, (1920) The passivity of cobalt. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001033118
MLA citation style
Thing, Curtis Willard, 1894-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001033118>.
Note: These citations are programmatically generated and may be incomplete.