Cita APA (7a ed.)

Sandburg, C. (1937). Abraham Lincoln: The Wars Years. Harcourt.

Cita Chicago Style (17a ed.)

Sandburg, Carl. Abraham Lincoln: The Wars Years. New York: Harcourt, 1937.

Cita MLA (9a ed.)

Sandburg, Carl. Abraham Lincoln: The Wars Years. Harcourt, 1937.