APA (7th ed.) Citation

Hawicks, H. (2011). Theophanu. Die Kaiserinnen des Mittelalters.

Chicago Style (17th ed.) Citation

Hawicks, Heike. "Theophanu." Die Kaiserinnen Des Mittelalters 2011.

MLA (9th ed.) Citation

Hawicks, Heike. "Theophanu." Die Kaiserinnen Des Mittelalters, 2011.

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