APA (7th ed.) Citation

Sondheim, S., Bergman, I., & Wheeler, H. (2010). A little night music. Applause Theater Book Publishers.

Chicago Style (17th ed.) Citation

Sondheim, Stephen, Ingmar Bergman, and Hugh Wheeler. A Little Night Music. New York, N.Y.: Applause Theater Book Publishers, 2010.

MLA (9th ed.) Citation

Sondheim, Stephen, et al. A Little Night Music. Applause Theater Book Publishers, 2010.