APA (7th ed.) Citation

Rowling, J. K., Duddle, J., & Tomić, T. (2014). Harry Potter and the Order of the Phoenix. Bloomsbury.

Chicago Style (17th ed.) Citation

Rowling, J. K., Jonny Duddle, and Tomislav Tomić. Harry Potter and the Order of the Phoenix. London ; Oxford ; New York ; New Delhi ; Sydney: Bloomsbury, 2014.

MLA (9th ed.) Citation

Rowling, J. K., et al. Harry Potter and the Order of the Phoenix. Bloomsbury, 2014.