APA (7th ed.) Citation

Ylvis (Musical group), Nyhus, S., Ylvisåker, B., Ylvisåker, V., & Løchstøer, C. (2013). What does the fox say? (1st US ed.). Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Ylvis (Musical group), Svein Nyhus, Bård Ylvisåker, Vegard Ylvisåker, and Christian Løchstøer. What Does the Fox Say? 1st US ed. New York: Simon & Schuster Books for Young Readers, 2013.

MLA (9th ed.) Citation

Ylvis (Musical group), et al. What Does the Fox Say? 1st US ed. Simon & Schuster Books for Young Readers, 2013.