Letter from William H. Polk to Gideon Pillow

Chicago citation style
Polk, William H. Letter from William H. Polk to Gideon Pillow. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll18/id/1092. (Accessed January 16, 2019.)
APA citation style
Polk, William H, Letter from William H. Polk to Gideon Pillow. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll18/id/1092
MLA citation style
Polk, William H. Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll18/id/1092>.
Note: These citations are programmatically generated and may be incomplete.