Cita APA

Ferrill, A. 1., & Ferrill, A. 1. (1986). The fall of the roman empire: The military explanation. London: Thames & Hudson.

Citación estilo Chicago

Ferrill, Arther 1938-, y Arther 1938- Ferrill. The Fall of the Roman Empire: The Military Explanation. London: Thames & Hudson, 1986.

Cita MLA

Ferrill, Arther 1938-, y Arther 1938- Ferrill. The Fall of the Roman Empire: The Military Explanation. London: Thames & Hudson, 1986.