APA (7th ed.) Citation

Ferrill, A. (1986). The fall of the Roman empire: The military explanation. Thames & Hudson.

Chicago Style (17th ed.) Citation

Ferrill, A. The Fall of the Roman Empire: The Military Explanation. London: Thames & Hudson, 1986.

MLA (9th ed.) Citation

Ferrill, A. The Fall of the Roman Empire: The Military Explanation. Thames & Hudson, 1986.