Letter, To: Gideon G. Westcott and Patrick Barry Hayes, From: David Webster ... [et al.], [n.d.].

Chicago citation style
Webster, David. Letter, To: Gideon G. Westcott and Patrick Barry Hayes, From: David Webster ... [et al.], [n.d.].. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:168533. (Accessed December 19, 2018.)
APA citation style
Webster, David, Letter, To: Gideon G. Westcott and Patrick Barry Hayes, From: David Webster ... [et al.], [n.d.].. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:168533
MLA citation style
Webster, David. Retrieved from the Digital Public Library of America <https://digital.library.villanova.edu/Record/vudl:168533>.
Note: These citations are programmatically generated and may be incomplete.