A theory of life deduced from the evolution philosophy /

Chicago citation style
Drey, Sylvan. A theory of life deduced from the evolution philosophy /. 1897. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006569640. (Accessed November 15, 2018.)
APA citation style
Drey, Sylvan, (1897) A theory of life deduced from the evolution philosophy /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006569640
MLA citation style
Drey, Sylvan. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006569640>.
Note: These citations are programmatically generated and may be incomplete.