The relation of attention to memory

Chicago citation style
Smith, W. G. The relation of attention to memory. 1899?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289575. (Accessed December 13, 2018.)
APA citation style
Smith, W. G, (1899?]) The relation of attention to memory. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289575
MLA citation style
Smith, W. G. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102289575>.
Note: These citations are programmatically generated and may be incomplete.