MLA

Rychterová, Pavlína, et al. Times of Upheaval : Four Medievalists In Twentieth-century Central Europe Conversations with Jerzy Kłoczowski, János M. Bak, František Šmahel, and Herwig Wolfram. Budapest: Central European University Press, 2019.

APA

Rychterová, P., Klaniczay, G., Kras, P., & Pohl, W. (2019). Times of upheaval : four medievalists in twentieth-century Central Europe conversations with Jerzy Kłoczowski, János M. Bak, František Šmahel, and Herwig Wolfram. Budapest: Central European University Press.

Chicago

Rychterová, Pavlína, Gábor Klaniczay, Paweł Kras, and Walter Pohl. Times of Upheaval: Four Medievalists In Twentieth-Century Central Europe Conversations with Jerzy Kłoczowski, János M. Bak, František Šmahel, and Herwig Wolfram. Budapest: Central European University Press, 2019.