APA (7th ed.) Citation

Henderson, D. (1919). "Great Heart": The life story of Theodore Roosevelt (3. ed.). Knopf.

Chicago Style (17th ed.) Citation

Henderson, Daniel. "Great Heart": The Life Story of Theodore Roosevelt. 3. ed. New York: Knopf, 1919.

MLA (9th ed.) Citation

Henderson, Daniel. "Great Heart": The Life Story of Theodore Roosevelt. 3. ed. Knopf, 1919.

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