APA (7th ed.) Citation

Barnett, M., Klassen, J., Weise, C., Balzer + Bray,, & HarperCollins (Firm). (2012). Extra yarn. Balzer & Bray.

Chicago Style (17th ed.) Citation

Barnett, Mac., Jon Klassen, Carla Weise, Balzer + Bray, and HarperCollins (Firm). Extra Yarn. New York: Balzer & Bray, 2012.

MLA (8th ed.) Citation

Barnett, Mac., et al. Extra Yarn. Balzer & Bray, 2012.