Cita APA (7a ed.)

Aberg, F., & Brown, A. E. (1981). Medieval moated sites in north-west Europe. Bar.

Cita Chicago Style (17a ed.)

Aberg, F.A, y Anthony Ernest Brown. Medieval Moated Sites in North-west Europe. Oxford: Bar, 1981.

Cita MLA (9a ed.)

Aberg, F.A, y Anthony Ernest Brown. Medieval Moated Sites in North-west Europe. Bar, 1981.