On Mr. Spencer's formula of evolution as an exhaustive statement of the changes of the universe

Chicago citation style
Guthrie, Malcolm. On Mr. Spencer's formula of evolution as an exhaustive statement of the changes of the universe. 1879. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006569918. (Accessed November 15, 2018.)
APA citation style
Guthrie, Malcolm, (1879) On Mr. Spencer's formula of evolution as an exhaustive statement of the changes of the universe. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006569918
MLA citation style
Guthrie, Malcolm. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006569918>.
Note: These citations are programmatically generated and may be incomplete.