APA (7th ed.) Citation

Nirvana (music group), Morgen, B., & Cobain, K. (2015). Cobain: : montage of heck. Universal.

Chicago Style (17th ed.) Citation

Nirvana (music group), Brett Morgen, and Kurt Cobain. Cobain: : Montage of Heck. Madrid: Universal, 2015.

MLA (9th ed.) Citation

Nirvana (music group), et al. Cobain: : Montage of Heck. Universal, 2015.