Cita APA (7a ed.)

Gibbon, E., Guizot, M., Milman, D., & Smith, W. (1903). The History of the decline and fall of the Roman Empire. J.Murray.

Cita Chicago Style (17a ed.)

Gibbon, Edward, M. Guizot, Dean Milman, y William Smith. The History of the Decline and Fall of the Roman Empire. London: J.Murray, 1903.

Cita MLA (9a ed.)

Gibbon, Edward, et al. The History of the Decline and Fall of the Roman Empire. J.Murray, 1903.