APA (7th ed.) Citation

Ennis, M. (1992). The Duchess of Milan. Viking.

Chicago Style (17th ed.) Citation

Ennis, Michael. The Duchess of Milan. New York, NY: Viking, 1992.

MLA (9th ed.) Citation

Ennis, Michael. The Duchess of Milan. Viking, 1992.

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