APA (7th ed.) Citation

O'Donnell, J. J. (2008). The ruin of the Roman Empire (First edition.). Ecco.

Chicago Style (17th ed.) Citation

O'Donnell, James J. The Ruin of the Roman Empire. First edition. New York: Ecco, 2008.

MLA (8th ed.) Citation

O'Donnell, James J. The Ruin of the Roman Empire. First edition. Ecco, 2008.

Warning: These citations may not always be 100% accurate.