APA (7th ed.) Citation

Teaching Company, Leven, J., Blandford, J., & Harl, K. W. (2004). Rome and the barbarians. Teaching Co..

Chicago Style (17th ed.) Citation

Teaching Company, Jon Leven, James Blandford, and Kenneth W. Harl. Rome and the Barbarians. Chantilly, VA: Teaching Co., 2004.

MLA (9th ed.) Citation

Teaching Company, et al. Rome and the Barbarians. Teaching Co., 2004.