Mental fatigue

Chicago citation style
Phillips, Gilbert E. Mental fatigue. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000585222. (Accessed December 12, 2018.)
APA citation style
Phillips, Gilbert E, (1920) Mental fatigue. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000585222
MLA citation style
Phillips, Gilbert E. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000585222>.
Note: These citations are programmatically generated and may be incomplete.