APA (7th ed.) Citation

Smith, A. L. (1964). Church and state in the Middle Ages. Frank Cass.

Chicago Style (17th ed.) Citation

Smith, Arthur Lionel. Church and State in the Middle Ages. London: Frank Cass, 1964.

MLA (8th ed.) Citation

Smith, Arthur Lionel. Church and State in the Middle Ages. Frank Cass, 1964.

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