APA (7th ed.) Citation

Whaley, J. (2018). Central European History and the Holy Roman Empire. Central European history.

Chicago Style (17th ed.) Citation

Whaley, Joachim. "Central European History and the Holy Roman Empire." Central European History 2018.

MLA (8th ed.) Citation

Whaley, Joachim. "Central European History and the Holy Roman Empire." Central European History, 2018.

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