The problem of sociology

Chicago citation style
Simmel, Georg, 1858-1918. The problem of sociology. 1895]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001630518. (Accessed November 16, 2018.)
APA citation style
Simmel, Georg, 1858-1918, (1895]) The problem of sociology. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001630518
MLA citation style
Simmel, Georg, 1858-1918. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001630518>.
Note: These citations are programmatically generated and may be incomplete.