Ludwig, E., Paul, C., & Paul, E. (1949). Abraham Lincoln: The full life story of our martyred president. New York: Liveright.
استشهاد بنمط شيكاغوLudwig, Emil, Cedar Paul, و Eden Paul. Abraham Lincoln: The Full Life Story of Our Martyred President. New York: Liveright, 1949.
MLA استشهادLudwig, Emil, Cedar Paul, و Eden Paul. Abraham Lincoln: The Full Life Story of Our Martyred President. New York: Liveright, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.