APA (7th ed.) Citation

Birley, A. (1971). Septimius Severus, the African emperor (1. publ.). Eyre & Spottiswoode.

Chicago Style (17th ed.) Citation

Birley, Anthony. Septimius Severus, the African Emperor. 1. publ. London: Eyre & Spottiswoode, 1971.

MLA (9th ed.) Citation

Birley, Anthony. Septimius Severus, the African Emperor. 1. publ. Eyre & Spottiswoode, 1971.

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