APA (7th ed.) Citation

Procopius & Signes Codoñer, J. (2000). Historia secreta. Gredos.

Chicago Style (17th ed.) Citation

Procopius and Juan Signes Codoñer. Historia Secreta. Madrid: Gredos, 2000.

MLA (9th ed.) Citation

Procopius and Juan Signes Codoñer. Historia Secreta. Gredos, 2000.

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