APA (7th ed.) Citation

Boettcher, M., Doldinger, K., Rau, F., Jürgens, U., Fleming, J., & Herbolzheimer, P. (2012). Sing! Inge, sing! Salzgeber.

Chicago Style (17th ed.) Citation

Boettcher, Marc, Klaus Doldinger, Fritz Rau, Udo Jürgens, Joy Fleming, and Peter Herbolzheimer. Sing! Inge, Sing! Berlin: Salzgeber, 2012.

MLA (9th ed.) Citation

Boettcher, Marc, et al. Sing! Inge, Sing! Salzgeber, 2012.