Cita APA (7a ed.)

Gibbon, E., Saunders, D. A., & Robinson, C. A. (1978). The portable Gibbon: The decline and fall of the Roman Empire. Penguin.

Cita Chicago Style (17a ed.)

Gibbon, Edward, Dero A. Saunders, y Charles Alexander Robinson. The Portable Gibbon: The Decline and Fall of the Roman Empire. New York: Penguin, 1978.

Cita MLA (9a ed.)

Gibbon, Edward, et al. The Portable Gibbon: The Decline and Fall of the Roman Empire. Penguin, 1978.