Anthracene and anthraquinone

Chicago citation style
Barnett, E. de Barry (Edward de Barry), 1886-1961. Anthracene and anthraquinone. 1921. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001034039. (Accessed November 15, 2018.)
APA citation style
Barnett, E. de Barry (Edward de Barry), 1886-1961, (1921) Anthracene and anthraquinone. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001034039
MLA citation style
Barnett, E. de Barry (Edward de Barry), 1886-1961. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001034039>.
Note: These citations are programmatically generated and may be incomplete.