Chapters in the chemistry of the less familiar elements

Chicago citation style
Hopkins, B. S. (B. Smith), b. 1873. Chapters in the chemistry of the less familiar elements. c1938-39. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001033044. (Accessed November 15, 2018.)
APA citation style
Hopkins, B. S. (B. Smith), b. 1873, (c1938-39) Chapters in the chemistry of the less familiar elements. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001033044
MLA citation style
Hopkins, B. S. (B. Smith), b. 1873. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001033044>.
Note: These citations are programmatically generated and may be incomplete.