APA (7th ed.) Citation

Gibbon, E., Lentin, A., & Norman, B. (1998). The decline and fall of the Roman empire. Wordsworth.

Chicago Style (17th ed.) Citation

Gibbon, Edward, Antony Lentin, and Brian Norman. The Decline and Fall of the Roman Empire. United Kingdom: Wordsworth, 1998.

MLA (8th ed.) Citation

Gibbon, Edward, et al. The Decline and Fall of the Roman Empire. Wordsworth, 1998.