APA (7th ed.) Citation

Collier, R. (1971). Duce!: A biography of Benito Mussolini. Viking Press.

Chicago Style (17th ed.) Citation

Collier, Richard. Duce!: A Biography of Benito Mussolini. New York: Viking Press, 1971.

MLA (9th ed.) Citation

Collier, Richard. Duce!: A Biography of Benito Mussolini. Viking Press, 1971.

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