APA (7th ed.) Citation

Sandburg, C. (1939). Abraham Lincoln: The war years. Harcourt, Brace & Company.

Chicago Style (17th ed.) Citation

Sandburg, Carl. Abraham Lincoln: The War Years. New York: Harcourt, Brace & Company, 1939.

MLA (9th ed.) Citation

Sandburg, Carl. Abraham Lincoln: The War Years. Harcourt, Brace & Company, 1939.