APA-Zitierstil (7. Ausg.)

Schoenfeld, M., & Mcpherson, B. (2002). Once Upon a Time. Hal Leonard Music Publishing.

Chicago-Zitierstil (17. Ausg.)

Schoenfeld, Mark, und Barri Mcpherson. Once Upon a Time. Wisconsin, United States: Hal Leonard Music Publishing, 2002.

MLA-Zitierstil (9. Ausg.)

Schoenfeld, Mark, und Barri Mcpherson. Once Upon a Time. Hal Leonard Music Publishing, 2002.