APA (7th ed.) Citation

Janson, H. (2009). Obernburgs mittelalterliche Stadtbefestigung.

Chicago Style (17th ed.) Citation

Janson, Heinz. Obernburgs Mittelalterliche Stadtbefestigung. 2009.

MLA (9th ed.) Citation

Janson, Heinz. Obernburgs Mittelalterliche Stadtbefestigung. 2009.

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