APA (7th ed.) Citation

Sabato, L., & Ernst, H. R. (2007). Encyclopedia of American political parties and elections (Updated edition.). Checkmark Books.

Chicago Style (17th ed.) Citation

Sabato, Larry, and Howard R. Ernst. Encyclopedia of American Political Parties and Elections. Updated edition. New York: Checkmark Books, 2007.

MLA (8th ed.) Citation

Sabato, Larry, and Howard R. Ernst. Encyclopedia of American Political Parties and Elections. Updated edition. Checkmark Books, 2007.