A thousand years

MLA

Perri, Christina, et al. A thousand years. [Place of publication not identified] : Sony Classical, [20--?]

APA

Perri, C., Barnum, D., Nelson, S., Van der Beek, A., Schmidt, J. & Piano Guys (Musical group). (2000). A thousand years. [Place of publication not identified] : Sony Classical.

Chicago

Perri, Christina, David Barnum, Steven Sharp Nelson, Al Van der Beek, Jon Schmidt and Piano Guys (Musical group). A thousand years. [Place of publication not identified] : Sony Classical, [20--?]