APA (7th ed.) Citation

Gidwitz, A., Grimm, J., & Grimm, W. (2014). The Grimm conclusion. Puffin Books.

Chicago Style (17th ed.) Citation

Gidwitz, Adam, Jacob Grimm, and Wilhelm Grimm. The Grimm Conclusion. New York, New York: Puffin Books, 2014.

MLA (8th ed.) Citation

Gidwitz, Adam, et al. The Grimm Conclusion. Puffin Books, 2014.

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