Index to the literature of didymium 1842-1893

Chicago citation style
Langmuir, Arthur Comings, 1872-. Index to the literature of didymium 1842-1893. 1894. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001764563. (Accessed September 25, 2018.)
APA citation style
Langmuir, Arthur Comings, 1872-, (1894) Index to the literature of didymium 1842-1893. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001764563
MLA citation style
Langmuir, Arthur Comings, 1872-. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001764563>.
Note: These citations are programmatically generated and may be incomplete.