APA (7th ed.) Citation

Southern, P. (2001). The Roman Empire from Severus to Constantine. Routledge.

Chicago Style (17th ed.) Citation

Southern, Pat. The Roman Empire from Severus to Constantine. London ; New York: Routledge, 2001.

MLA (8th ed.) Citation

Southern, Pat. The Roman Empire from Severus to Constantine. Routledge, 2001.

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