Cita APA

KatyPerry. (2009). MTV UNPLUGGED. [s. n.].

Chicago Style (17th ed.) Citation

KatyPerry. MTV UNPLUGGED. [s. n.], 2009.

Cita MLA

KatyPerry. MTV UNPLUGGED. [s. n.], 2009.

Atenció: Aquestes cites poden no estar 100% correctes.