APA (7th ed.) Citation

Cassius, D. 1. (1961). Dio's Roman history Dio's Roman history in nine volumes.

Chicago Style (17th ed.) Citation

Cassius, Dio 163-235. "Dio's Roman History." Dio's Roman History in Nine Volumes 1961.

MLA (8th ed.) Citation

Cassius, Dio 163-235. "Dio's Roman History." Dio's Roman History in Nine Volumes, 1961.

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