Orra White Hitchcock pen and ink drawing of four shells

Chicago citation style
Hitchcock, Orra White, 1796-1863. Orra White Hitchcock pen and ink drawing of four shells. 1840. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:291518. (Accessed December 17, 2018.)
APA citation style
Hitchcock, Orra White, 1796-1863, (1840) Orra White Hitchcock pen and ink drawing of four shells. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:291518
MLA citation style
Hitchcock, Orra White, 1796-1863. Retrieved from the Digital Public Library of America <http://acdc.amherst.edu/view/asc:291518>.
Note: These citations are programmatically generated and may be incomplete.