(1891). [Letter from Abraham Lincoln to Mrs. Bixby, with bust-length portrait of Lincoln] engd. by J. C. Buttre, photo by M.B. Brady. [graphic].
Chicago-referens (17:e uppl.)[Letter from Abraham Lincoln to Mrs. Bixby, with Bust-length Portrait of Lincoln] Engd. by J. C. Buttre, Photo by M.B. Brady. [graphic]. 1891.
MLA-referens (9:e uppl.)[Letter from Abraham Lincoln to Mrs. Bixby, with Bust-length Portrait of Lincoln] Engd. by J. C. Buttre, Photo by M.B. Brady. [graphic]. 1891.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.