APA (7th ed.) Citation

Ziegler-Vowinckel, D. (1986). Der Bobtail: Old English Sheepdog. Müller.

Chicago Style (17th ed.) Citation

Ziegler-Vowinckel, Dagmar. Der Bobtail: Old English Sheepdog. Köln: Müller, 1986.

MLA (9th ed.) Citation

Ziegler-Vowinckel, Dagmar. Der Bobtail: Old English Sheepdog. Müller, 1986.

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