APA (7th ed.) Citation

Allen, P., Hayward, R., & Severus, o. A. (2004). Severus of Antioch. Routledge.

Chicago Style (17th ed.) Citation

Allen, Pauline, Robert Hayward, and of Antioch Severus. Severus of Antioch. London ; New York: Routledge, 2004.

MLA (9th ed.) Citation

Allen, Pauline, et al. Severus of Antioch. Routledge, 2004.