APA (7th ed.) Citation

Pentatonix (Vocal group), Clarkson, K., & Morris, M. (2018). Christmas is here! RCA.

Chicago Style (17th ed.) Citation

Pentatonix (Vocal group), Kelly Clarkson, and Maren Morris. Christmas Is Here! New York, NY: RCA, 2018.

MLA (8th ed.) Citation

Pentatonix (Vocal group), et al. Christmas Is Here! RCA, 2018.

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