Cita APA (7th ed.)
Ludwig, E. Abraham Lincoln: The Full Life Story of Our Martyred President. Liveright.
Cita Chicago (17th ed.)
Ludwig, Emil. Abraham Lincoln: The Full Life Story of Our Martyred President. Nueva York, EUA: Liveright.
Cita MLA (9th ed.)
Ludwig, Emil. Abraham Lincoln: The Full Life Story of Our Martyred President. Liveright.
Atenció: Aquestes cites poden no estar 100% correctes.