Citazione Stile APA (7a Edizione)

Sandburg, C. (1960). Abraham Lincoln: The prairie years and the war years. Dell Publishing.

Citazione stile Chigago Style (17a edizione)

Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years. Nueva York: Dell Publishing, 1960.

Citatione MLA (9a ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years and the War Years. Dell Publishing, 1960.