APA (7th ed.) Citation

Whitney, D. C. (1985). The American presidents (New expanded 6. ed.). Doubleday.

Chicago Style (17th ed.) Citation

Whitney, David C. The American Presidents. New expanded 6. ed. Garden City, NY: Doubleday, 1985.

MLA (9th ed.) Citation

Whitney, David C. The American Presidents. New expanded 6. ed. Doubleday, 1985.