Cita APA (7a ed.)

Fields, N., Spedaliere, D., & Spedaliere, S. S. (2003). Hadrian's wall, AD 122-410. Osprey.

Cita Chicago Style (17a ed.)

Fields, Nic, Donato Spedaliere, y S. S. Spedaliere. Hadrian's Wall, AD 122-410. Oxford: Osprey, 2003.

Cita MLA (9a ed.)

Fields, Nic, et al. Hadrian's Wall, AD 122-410. Osprey, 2003.