Letter, To: Hayes, Engerer & Co. From: William Hamill, October 21, 1833.

Chicago citation style
Hamill, William. Letter, To: Hayes, Engerer & Co. From: William Hamill, October 21, 1833.. 1833. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:169413. (Accessed December 16, 2018.)
APA citation style
Hamill, William, (1833) Letter, To: Hayes, Engerer & Co. From: William Hamill, October 21, 1833.. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:169413
MLA citation style
Hamill, William. Retrieved from the Digital Public Library of America <https://digital.library.villanova.edu/Record/vudl:169413>.
Note: These citations are programmatically generated and may be incomplete.