Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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