Letter from Pvt. Joseph W. Knox to his mother

Chicago citation style
Letter from Pvt. Joseph W. Knox to his mother. 1919 March 18. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1471. (Accessed October 17, 2019.)
APA citation style
(1919 March 18) Letter from 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/1471
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1471>.
Note: These citations are programmatically generated and may be incomplete.