APA (7th ed.) Citation

Drews, W. (2006). Konstantinos VII Porphyrogennetos.

Chicago Style (17th ed.) Citation

Drews, Wolfram. Konstantinos VII Porphyrogennetos. 2006.

MLA (9th ed.) Citation

Drews, Wolfram. Konstantinos VII Porphyrogennetos. 2006.

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