APA (7th ed.) Citation

Keresztes, P. (1970). The emperor Septimus Severus: A precursor of Decius Septimus.

Chicago Style (17th ed.) Citation

Keresztes, Paul. The Emperor Septimus Severus: A Precursor of Decius Septimus. 1970.

MLA (9th ed.) Citation

Keresztes, Paul. The Emperor Septimus Severus: A Precursor of Decius Septimus. 1970.

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