Horace Pippin, West Chester, Pa. letter to unidentified recipient

Chicago citation style
Pippin, Horace, 1888-1946. Horace Pippin, West Chester, Pa. letter to unidentified recipient. ca. 1943. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7468&repo=DPLA. (Accessed December 18, 2018.)
APA citation style
Pippin, Horace, 1888-1946, (ca. 1943) Horace Pippin, West Chester, Pa. letter to unidentified recipient. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7468&repo=DPLA
MLA citation style
Pippin, Horace, 1888-1946. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7468&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.