APA (7th ed.) Citation

Southern, P. (2015). The Roman Empire from Severus to Constantine (Second edition.). Routledge.

Chicago Style (17th ed.) Citation

Southern, Pat. The Roman Empire from Severus to Constantine. Second edition. London ; New York: Routledge, 2015.

MLA (9th ed.) Citation

Southern, Pat. The Roman Empire from Severus to Constantine. Second edition. Routledge, 2015.

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