Letter to Fanny Barrow, in the hand of his secretary John Hay, regarding a gift received; accompanied by a photocopy of a letter from Mary Todd Lincoln also thanking Barrow, and a carte-de-visite portrait of Lincoln and his son
MLA
Shirley, Betsy Beinecke. Letter to Fanny Barrow, in the Hand of His Secretary John Hay, Regarding a Gift Received; Accompanied by a Photocopy of a Letter from Mary Todd Lincoln Also Thanking Barrow, and a Carte-De-Visite Portrait of Lincoln and His Son. 1864. https://collections.library.yale.edu/catalog/2026852.
APA, 6th edition
Shirley, B. B. (1864). Letter to Fanny Barrow, in the hand of his secretary John Hay, regarding a gift received; accompanied by a photocopy of a letter from Mary Todd Lincoln also thanking Barrow, and a carte-de-visite portrait of Lincoln and his son. https://collections.library.yale.edu/catalog/2026852.