APA (7th ed.) Citation

Walström, S., Hildur Knútsdóttir, & Kågström, A. (2018). Black lava fairy tale. Kerber.

Chicago Style (17th ed.) Citation

Walström, Susanne, Hildur Knútsdóttir, and Anna Kågström. Black Lava Fairy Tale. Bielefeld, Germany: Kerber, 2018.

MLA (9th ed.) Citation

Walström, Susanne, et al. Black Lava Fairy Tale. Kerber, 2018.