Citazione Stile APA (7a Edizione)
Carlyle, R., & Carlyle, A. A History of Mediaeval Political Theory in the West: The Political Theory of the Thirteenth Century. Willam Blackwood and Son.
Citazione stile Chigago Style (17a edizione)
Carlyle, R.W, e A.J Carlyle. A History of Mediaeval Political Theory in the West: The Political Theory of the Thirteenth Century. Edimburgo, Escocia : Londres, Inglaterra: Willam Blackwood and Son.
Citatione MLA (9a ed.)
Carlyle, R.W, e A.J Carlyle. A History of Mediaeval Political Theory in the West: The Political Theory of the Thirteenth Century. Willam Blackwood and Son.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.