APA (7th ed.) Citation

Roots, I. A. (1966). Commonwealth and Protectorate: The English Civil War and its aftermath. Schocken Books.

Chicago Style (17th ed.) Citation

Roots, Ivan Alan. Commonwealth and Protectorate: The English Civil War and Its Aftermath. New York: Schocken Books, 1966.

MLA (9th ed.) Citation

Roots, Ivan Alan. Commonwealth and Protectorate: The English Civil War and Its Aftermath. Schocken Books, 1966.