APA (7th ed.) Citation

Ryan, P. M., Bramhall, M., Soler, R., De Vries, D., & Andrews, M. (2015). Echo: A novel (Unabridged.). Scholastic Audiobooks.

Chicago Style (17th ed.) Citation

Ryan, Pam Muñoz, Mark Bramhall, Rebecca Soler, David De Vries, and MacLeod Andrews. Echo: A Novel. Unabridged. New York: Scholastic Audiobooks, 2015.

MLA (8th ed.) Citation

Ryan, Pam Muñoz, et al. Echo: A Novel. Unabridged. Scholastic Audiobooks, 2015.

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