Cita APA (7th ed.)

Sandburg, C. (1929). Abraham Lincoln: The prairie years (Abridged ed.). Harcourt, Brace.

Cita Chicago (17th ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years. Abridged ed. N.Y.: Harcourt, Brace, 1929.

Cita MLA (8th ed.)

Sandburg, Carl. Abraham Lincoln: The Prairie Years. Abridged ed. Harcourt, Brace, 1929.