APA (7th ed.) Citation

Birley, A. (1999). Septimius Severus, the African emperor (Rev. ed., 1. publ. in paperb.). Routledge.

Chicago Style (17th ed.) Citation

Birley, Anthony. Septimius Severus, the African Emperor. Rev. ed., 1. publ. in paperb. London [u.a.]: Routledge, 1999.

MLA (9th ed.) Citation

Birley, Anthony. Septimius Severus, the African Emperor. Rev. ed., 1. publ. in paperb. Routledge, 1999.