Cita APA (7a ed.)

Fields, N., & Ó'Brógáin, S. (2012). Roman Republican legionary, 298-105 BC (1st published.). Osprey.

Cita Chicago Style (17a ed.)

Fields, Nic, y Seán Ó'Brógáin. Roman Republican Legionary, 298-105 BC. 1st published. Oxford: Osprey, 2012.

Cita MLA (9a ed.)

Fields, Nic, y Seán Ó'Brógáin. Roman Republican Legionary, 298-105 BC. 1st published. Osprey, 2012.