The genera and species of British butterflies : described and arranged according to the system now adopted in the British Museum /

Chicago citation style
Humphreys, Henry Noel, 1810-1879. The genera and species of British butterflies : described and arranged according to the system now adopted in the British Museum /. [1860?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008423829. (Accessed December 19, 2018.)
APA citation style
Humphreys, Henry Noel, 1810-1879, ([1860?]) The genera and species of British butterflies : described and arranged according to the system now adopted in the British Museum /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008423829
MLA citation style
Humphreys, Henry Noel, 1810-1879. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008423829>.
Note: These citations are programmatically generated and may be incomplete.