APA (7th ed.) Citation

Williams, S., & Friell, G. (1998). Theodosius: The empire at bay (1. publ. in paperback.). Routledge.

Chicago Style (17th ed.) Citation

Williams, Stephen, and Gerard Friell. Theodosius: The Empire at Bay. 1. publ. in paperback. London: Routledge, 1998.

MLA (9th ed.) Citation

Williams, Stephen, and Gerard Friell. Theodosius: The Empire at Bay. 1. publ. in paperback. Routledge, 1998.