APA (7th ed.) Citation

Norton, A. A. (1980). Theodore Roosevelt. Twayne.

Chicago Style (17th ed.) Citation

Norton, Aloysius A. Theodore Roosevelt. Boston, Mass: Twayne, 1980.

MLA (9th ed.) Citation

Norton, Aloysius A. Theodore Roosevelt. Twayne, 1980.

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