Cita APA (7a ed.)

Nicholson, H. J., & Barber, M. (1998). The military orders: 2, Welfare and warfare. Ashgate.

Cita Chicago Style (17a ed.)

Nicholson, Helen J., y Malcolm Barber. The Military Orders: 2, Welfare and Warfare. Aldershot ; Brookfield, Vt. USA: Ashgate, 1998.

Cita MLA (9a ed.)

Nicholson, Helen J., y Malcolm Barber. The Military Orders: 2, Welfare and Warfare. Ashgate, 1998.