Postcard of Camp Gordon sent by Pvt. Joseph W. Knox to his mother

Chicago citation style
Postcard of Camp Gordon sent by Pvt. Joseph W. Knox to his mother. 1918 September 11. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1429. (Accessed October 18, 2019.)
APA citation style
(1918 September 11) Postcard of Camp Gordon sent by Pvt. Joseph W. Knox to his mother. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1429
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1429>.
Note: These citations are programmatically generated and may be incomplete.