Cita APA (7th ed.)
Carlyle, R., & Carlyle, A. A History of Mediaeval Political Theory in the West: The Second Century to the Ninth. Willam Blackwood and Son.
Cita Chicago (17th ed.)
Carlyle, R.W, i A.J Carlyle. A History of Mediaeval Political Theory in the West: The Second Century to the Ninth. Edimburgo, Escocia : Londres, Inglaterra: Willam Blackwood and Son.
Cita MLA (9th ed.)
Carlyle, R.W, i A.J Carlyle. A History of Mediaeval Political Theory in the West: The Second Century to the Ninth. Willam Blackwood and Son.
Atenció: Aquestes cites poden no estar 100% correctes.