APA (7th ed.) Citation

Beny, R., & Gunn, P. (1981). The churches of Rome. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Beny, Roloff, and Peter Gunn. The Churches of Rome. London: Weidenfeld and Nicolson, 1981.

MLA (8th ed.) Citation

Beny, Roloff, and Peter Gunn. The Churches of Rome. Weidenfeld and Nicolson, 1981.