APA (7th ed.) Citation

Chizmar, R., King, S., & Minnion, K. (2020). Gwendy's magic feather (First Gallery Books trade paperback edition.). Gallery Books.

Chicago Style (17th ed.) Citation

Chizmar, Richard, Stephen King, and Keith Minnion. Gwendy's Magic Feather. First Gallery Books trade paperback edition. New York: Gallery Books, 2020.

MLA (9th ed.) Citation

Chizmar, Richard, et al. Gwendy's Magic Feather. First Gallery Books trade paperback edition. Gallery Books, 2020.