Tohutoro APA (7th ed.)

Sandburg, C. (1969). Abraham Lincoln: The prairie years. Mladinska Knjiga.

Tohutoru Kātū Chicago (17th ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years. Liubliana: Mladinska Knjiga, 1969.

Tohutoro MLA (9th ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years. Mladinska Knjiga, 1969.