APA引文

Sandburg, C. (1929). Abraham Lincoln: The prairie years. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Sandburg, Carl. Abraham Lincoln: The Prairie Years. New York: Harcourt, Brace & World, 1929.

MLA引文

Sandburg, Carl. Abraham Lincoln: The Prairie Years. Harcourt, Brace & World, 1929.