Citazione Stile APA (7a Edizione)

Shephard, C., & Rees, R. (2007). OCR Medieval history: Raiders and invaders, power and control (1. publ.). Hodder Murray.

Citazione stile Chigago Style (17a edizione)

Shephard, Colin, e Rosemary Rees. OCR Medieval History: Raiders and Invaders, Power and Control. 1. publ. London: Hodder Murray, 2007.

Citatione MLA (9a ed.)

Shephard, Colin, e Rosemary Rees. OCR Medieval History: Raiders and Invaders, Power and Control. 1. publ. Hodder Murray, 2007.