APA (7th ed.) Citation

Apiano & Sancho Royo, A. (1980). Historia romana. Gredos.

Chicago Style (17th ed.) Citation

Apiano and Antonio Sancho Royo. Historia Romana. Madrid: Gredos, 1980.

MLA (9th ed.) Citation

Apiano and Antonio Sancho Royo. Historia Romana. Gredos, 1980.

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