Edward Hitchcock letter to Benjamin Silliman, 1822 July 23

Chicago citation style
Hitchcock, Edward, 1793-1864. Edward Hitchcock letter to Benjamin Silliman, 1822 July 23. 1822-07-23. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:46608. (Accessed June 23, 2018.)
APA citation style
Hitchcock, Edward, 1793-1864, (1822-07-23) Edward Hitchcock letter to Benjamin Silliman, 1822 July 23. Retrieved from the Digital Public Library of America, http://acdc.amherst.edu/view/asc:46608
MLA citation style
Hitchcock, Edward, 1793-1864. Retrieved from the Digital Public Library of America <http://acdc.amherst.edu/view/asc:46608>.
Note: These citations are programmatically generated and may be incomplete.