Cita APA (7a ed.)

Lincoln, A., & Holzer, H. (1998). The Lincoln Mailbag: America Writes to the President, 1861-1865. Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Lincoln, Abraham, y Harold Holzer. The Lincoln Mailbag: America Writes to the President, 1861-1865. Carbondale, Ill.: Southern Illinois University Press, 1998.

Cita MLA (8a ed.)

Lincoln, Abraham, y Harold Holzer. The Lincoln Mailbag: America Writes to the President, 1861-1865. Southern Illinois University Press, 1998.