Essai de psychologie appliquée aux sciences mathématiques

Chicago citation style
Cugnin, Émile Antoine. Essai de psychologie appliquée aux sciences mathématiques. 1878. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100638171. (Accessed November 18, 2018.)
APA citation style
Cugnin, Émile Antoine, (1878) Essai de psychologie appliquée aux sciences mathématiques. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/100638171
MLA citation style
Cugnin, Émile Antoine. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/100638171>.
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