APA引文

Birley, A. (1999). Septimius Severus: The African emperor. Routledge.

Chicago Style (17th ed.) Citation

Birley, Anthony. Septimius Severus: The African Emperor. London ; New York: Routledge, 1999.

MLA引文

Birley, Anthony. Septimius Severus: The African Emperor. Routledge, 1999.

警告：這些引文格式不一定是100％准確.