Cita APA (7a ed.)

Fields, N., & Anderson, D. (2008). The Roman army: The civil wars, 88-31 BC. Osprey.

Cita Chicago Style (17a ed.)

Fields, Nic, y Duncan Anderson. The Roman Army: The Civil Wars, 88-31 BC. Oxford: Osprey, 2008.

Cita MLA (9a ed.)

Fields, Nic, y Duncan Anderson. The Roman Army: The Civil Wars, 88-31 BC. Osprey, 2008.