APA (7th ed.) Citation

Handlin, O., & Handlin, L. (1980). Abraham Lincoln and the Union. Little, Brown.

Chicago Style (17th ed.) Citation

Handlin, Oscar, and Lilian Handlin. Abraham Lincoln and the Union. Boston: Little, Brown, 1980.

MLA (9th ed.) Citation

Handlin, Oscar, and Lilian Handlin. Abraham Lincoln and the Union. Little, Brown, 1980.