APA Style

Barkow, H., Johnson, R. (2001). The three billy goats Gruff : Drei Ziegenböcke Namens Gruff . London, United Kingdom: Mantra Lingua Ltd.

MLA Style

Barkow, Henriette., Johnson, Richard. "The three billy goats Gruff : Drei Ziegenböcke Namens Gruff". London, United Kingdom: Mantra Lingua Ltd, 2001. Text.