APA (7th ed.) Citation

Gruber, F., Mohr, J., & Lawson, P. (2001). Stille nacht = Silent night: For SSAA a cappella. Hal Leonard.

Chicago Style (17th ed.) Citation

Gruber, Franz, Joseph Mohr, and Philip Lawson. Stille Nacht = Silent Night: For SSAA a Cappella. Milwaukee, Wis: Hal Leonard, 2001.

MLA (9th ed.) Citation

Gruber, Franz, et al. Stille Nacht = Silent Night: For SSAA a Cappella. Hal Leonard, 2001.