APA (7th ed.) Citation

Birley, A. (1971). Septimius Severus: The African emperor. Eyre & Spottiswoode.

Chicago Style (17th ed.) Citation

Birley, Anthony. Septimius Severus: The African Emperor. London: Eyre & Spottiswoode, 1971.

MLA (8th ed.) Citation

Birley, Anthony. Septimius Severus: The African Emperor. Eyre & Spottiswoode, 1971.

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