APA (7th ed.) Citation

Shorto, R. (1991). Abraham Lincoln: To preserve the Union. Silver Burdett Press.

Chicago Style (17th ed.) Citation

Shorto, Russell. Abraham Lincoln: To Preserve the Union. Englewood Cliffs, NJ: Silver Burdett Press, 1991.

MLA (9th ed.) Citation

Shorto, Russell. Abraham Lincoln: To Preserve the Union. Silver Burdett Press, 1991.

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