APA (7th ed.) Citation

Lyon, B. (1959). The Middle Ages in recent historical thought: Selected topics. Service Center for Teachers of History.

Chicago Style (17th ed.) Citation

Lyon, Bryce. The Middle Ages in Recent Historical Thought: Selected Topics. Washington: Service Center for Teachers of History, 1959.

MLA (9th ed.) Citation

Lyon, Bryce. The Middle Ages in Recent Historical Thought: Selected Topics. Service Center for Teachers of History, 1959.

Warning: These citations may not always be 100% accurate.