Cita APA (7a ed.)

O'Sullivan, D. E. (2012). Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. De Gruyter.

Cita Chicago Style (17a ed.)

O'Sullivan, Daniel E. Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. Berlin: De Gruyter, 2012.

Cita MLA (8a ed.)

O'Sullivan, Daniel E. Chess in the Middle Ages and Early Modern Age: A Fundamental Thought Paradigm of the Premodern World. De Gruyter, 2012.