APA (7th ed.) Citation

Bieber, J., Diplo, Big Sean, Skrillex, Scott, T., & Halsey. (2015). Purpose. Def Jam.

Chicago Style (17th ed.) Citation

Bieber, Justin, Diplo, Big Sean, Skrillex, Travis Scott, and Halsey. Purpose. New York, NY: Def Jam, 2015.

MLA (8th ed.) Citation

Bieber, Justin, et al. Purpose. Def Jam, 2015.

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