Cita APA (7th ed.)

Gibbon, E. (1845). The history of the decline and fall of the Roman empire. Harper.

Cita Chicago (17th ed.)

Gibbon, Edward. The History of the Decline and Fall of the Roman Empire. New York: Harper, 1845.

Cita MLA (9th ed.)

Gibbon, Edward. The History of the Decline and Fall of the Roman Empire. Harper, 1845.