Citazione Stile APA (7a Edizione)

Sandburg, C. (1959). Abraham Lincoln: The prairie years and the war years. Dell Publishing Co.

Citazione stile Chigago Style (17a edizione)

Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years. New York: Dell Publishing Co, 1959.

Citatione MLA (9a ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years. Dell Publishing Co, 1959.