Cita APA (7a ed.)

Independent Schools Examinations Board, Shephard, C., Collier, M., & Rees, R. (2007). Medieval realms for common entrance and key stage 3. Hodder Murray.

Cita Chicago Style (17a ed.)

Independent Schools Examinations Board, Colin Shephard, Martin Collier, y Rosemary Rees. Medieval Realms for Common Entrance and Key Stage 3. London: Hodder Murray, 2007.

Cita MLA (9a ed.)

Independent Schools Examinations Board, et al. Medieval Realms for Common Entrance and Key Stage 3. Hodder Murray, 2007.