Lyon, B. D. (1965). The Middle Ages in recent historical thought: Selected topics (2nd ed.). American Historical Assoc., Service Center for Teachers of History.
Citazione stile Chigago Style (17a edizione)Lyon, Bryce Dale. The Middle Ages in Recent Historical Thought: Selected Topics. 2nd ed. Washington, DC: American Historical Assoc., Service Center for Teachers of History, 1965.
Citatione MLA (9a ed.)Lyon, Bryce Dale. The Middle Ages in Recent Historical Thought: Selected Topics. 2nd ed. American Historical Assoc., Service Center for Teachers of History, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.