The antiquity of man

Chicago citation style
Keith, Arthur, Sir, 1866-1955. The antiquity of man. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006222692. (Accessed November 15, 2018.)
APA citation style
Keith, Arthur, Sir, 1866-1955, (1920) The antiquity of man. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006222692
MLA citation style
Keith, Arthur, Sir, 1866-1955. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006222692>.
Note: These citations are programmatically generated and may be incomplete.