Letter from Pvt. Virgil Metcalf to his mother

Chicago citation style
Letter from Pvt. Virgil Metcalf to his mother. 1918 October 4. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1939. (Accessed October 21, 2019.)
APA citation style
(1918 October 4) Letter from Pvt. Virgil Metcalf to his mother. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1939
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/1939>.
Note: These citations are programmatically generated and may be incomplete.