Edward Hitchcock letter to Benjamin Silliman, 1836 June 20

Chicago citation style
Hitchcock, Edward, 1793-1864. Edward Hitchcock letter to Benjamin Silliman, 1836 June 20. 1836-06-20. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:56210. (Accessed June 24, 2018.)
APA citation style
Hitchcock, Edward, 1793-1864, (1836-06-20) Edward Hitchcock letter to Benjamin Silliman, 1836 June 20. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:56210
MLA citation style
Hitchcock, Edward, 1793-1864. Retrieved from the Digital Public Library of America <http://acdc.amherst.edu/view/asc:56210>.
Note: These citations are programmatically generated and may be incomplete.