What is a kindergarten? /

Chicago citation style
Hansen, Geo. (George), b. 1863. What is a kindergarten? /. 1891 [i.e. 1901]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288730. (Accessed September 22, 2018.)
APA citation style
Hansen, Geo. (George), b. 1863, (1891 [i.e. 1901]) What is a kindergarten? /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102288730
MLA citation style
Hansen, Geo. (George), b. 1863. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102288730>.
Note: These citations are programmatically generated and may be incomplete.