APA (7th ed.) Citation

Hamilton, N. A. (2005). Presidents: A biographical dictionary (2nd ed.). Facts On File.

Chicago Style (17th ed.) Citation

Hamilton, Neil A. Presidents: A Biographical Dictionary. 2nd ed. New York: Facts On File, 2005.

MLA (9th ed.) Citation

Hamilton, Neil A. Presidents: A Biographical Dictionary. 2nd ed. Facts On File, 2005.

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