APA (7th ed.) Citation

Platnauer, M. (1970). The life and reign of the Emperor Lucius Septimius Severus. Greenwood Press.

Chicago Style (17th ed.) Citation

Platnauer, Maurice. The Life and Reign of the Emperor Lucius Septimius Severus. Westport, Conn.: Greenwood Press, 1970.

MLA (9th ed.) Citation

Platnauer, Maurice. The Life and Reign of the Emperor Lucius Septimius Severus. Greenwood Press, 1970.