Impression from a woodcut of a small portion of Mr. Babbage's Difference Engine, No.1

Chicago citation style
Babbage, Henry Prevost. Impression from a woodcut of a small portion of Mr. Babbage's Difference Engine, No.1. 1889. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7729995_7729995_10193789_CORNELL. (Accessed June 18, 2018.)
APA citation style
Babbage, Henry Prevost, (1889) Impression from a woodcut of a small portion of Mr. Babbage's Difference Engine, No.1. Retrieved from the Digital Public Library of America, http://search.openlibrary.artstor.org/object/SS7729995_7729995_10193789_CORNELL
MLA citation style
Babbage, Henry Prevost. Retrieved from the Digital Public Library of America <http://search.openlibrary.artstor.org/object/SS7729995_7729995_10193789_CORNELL>.
Note: These citations are programmatically generated and may be incomplete.