Two important questions

Chicago citation style
Two important questions. 1892. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289660. (Accessed December 19, 2018.)
APA citation style
(1892) Two important questions. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289660
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102289660>.
Note: These citations are programmatically generated and may be incomplete.