Pencillings by the way /

Chicago citation style
Willis, Nathaniel Parker, 1806-1867. Pencillings by the way /. 1839. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009185410. (Accessed December 13, 2018.)
APA citation style
Willis, Nathaniel Parker, 1806-1867, (1839) Pencillings by the way /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009185410
MLA citation style
Willis, Nathaniel Parker, 1806-1867. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/009185410>.
Note: These citations are programmatically generated and may be incomplete.