Citazione Stile APA (7a Edizione)
ebrary, Inc, Holzer, H., & Lincoln, A. (1998). The Lincoln mailbag: America writes to the President, 1861-1865. Southern Illinois University Press.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, Harold Holzer, e Abraham Lincoln. The Lincoln Mailbag: America Writes to the President, 1861-1865. Carbondale, Ill.: Southern Illinois University Press, 1998.
Citatione MLA (9a ed.)
ebrary, Inc, et al. The Lincoln Mailbag: America Writes to the President, 1861-1865. Southern Illinois University Press, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.