APA (7th ed.) Citation

Gibbon, E., & Sloan, J. (1962). The decline and fall of the Roman Empire. Collier.

Chicago Style (17th ed.) Citation

Gibbon, Edward, and Jacob Sloan. The Decline and Fall of the Roman Empire. New York: Collier, 1962.

MLA (9th ed.) Citation

Gibbon, Edward, and Jacob Sloan. The Decline and Fall of the Roman Empire. Collier, 1962.