Epistularum libri novem, Epistularum ad Traianum liber, Panegyricus, recognovit H. Keil

Chicago citation style
Pliny, the Younger. Epistularum libri novem, Epistularum ad Traianum liber, Panegyricus, recognovit H. Keil. 1881. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006792641. (Accessed December 13, 2018.)
APA citation style
Pliny, the Younger, (1881) Epistularum libri novem, Epistularum ad Traianum liber, Panegyricus, recognovit H. Keil. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/006792641
MLA citation style
Pliny, the Younger. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/006792641>.
Note: These citations are programmatically generated and may be incomplete.