APA (7th ed.) Citation

Schwartz, S., Maguire, G., & Marcus, J. (2004). Wicked: A new musical. Hal Leonard.

Chicago Style (17th ed.) Citation

Schwartz, Stephen, Gregory Maguire, and John Marcus. Wicked: A New Musical. Milwaukee, WI: Hal Leonard, 2004.

MLA (9th ed.) Citation

Schwartz, Stephen, et al. Wicked: A New Musical. Hal Leonard, 2004.