APA (7th ed.) Citation

Sandburg, C. (1939). Abraham Lincoln: The war years. Harcourt, Brace r Comp.

Chicago Style (17th ed.) Citation

Sandburg, Carl. Abraham Lincoln: The War Years. Harcourt, Brace r Comp, 1939.

MLA (8th ed.) Citation

Sandburg, Carl. Abraham Lincoln: The War Years. Harcourt, Brace r Comp, 1939.

Warning: These citations may not always be 100% accurate.