APA Style

COLFER, Chris, Dorman, Brandon. (2017). Worlds collide . New York: Little, Brown and Company.

Chicago Style

COLFER, Chris, Dorman, Brandon. Worlds collide. New York: Little, Brown and Company, 2017. Text.

MLA Style

COLFER, Chris, Dorman, Brandon. Worlds collide. New York: Little, Brown and Company, 2017. Text.

Turabian Style

COLFER, Chris, Dorman, Brandon. Worlds collide. New York: Little, Brown and Company, 2017. Print.