Cita APA (7a ed.)

Kitt, T., & Yorkey, B. (2009). Vocal selections from Next to normal: An original musical. Alfred.

Cita Chicago Style (17a ed.)

Kitt, Tom, y Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Van Nuys, CA: Alfred, 2009.

Cita MLA (9a ed.)

Kitt, Tom, y Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Alfred, 2009.