[Letter] 1848 October 25, Huntington N.Y., [to] George H. Purser, John Cotter and William C. Van Allen, New York City / C.C. Cambreling.

Chicago citation style
Cambreling, C.C. [Letter] 1848 October 25, Huntington N.Y., [to] George H. Purser, John Cotter and William C. Van Allen, New York City / C.C. Cambreling.. 1848-10-25. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/letters/id/1608. (Accessed December 17, 2018.)
APA citation style
Cambreling, C.C, (1848-10-25) [Letter] 1848 October 25, Huntington N.Y., [to] George H. Purser, John Cotter and William C. Van Allen, New York City / C.C. Cambreling.. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/letters/id/1608
MLA citation style
Cambreling, C.C. Retrieved from the Digital Public Library of America <http://cdm.lib.lehigh.edu/cdm/ref/collection/letters/id/1608>.
Note: These citations are programmatically generated and may be incomplete.