Capitals of Europe (back cover)

Chicago citation style
Capitals of Europe (back cover). ca. 1840. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/105. (Accessed October 17, 2018.)
APA citation style
(ca. 1840) Capitals of Europe (back cover). Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/105
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/childrens/id/105>.
Note: These citations are programmatically generated and may be incomplete.