Cita APA (7th ed.)

Meinhardt, M., Schippmann, A., & Waack, I. English for You. Volk und Wissen.

Cita Chicago (17th ed.)

Meinhardt, Margret, Annelie Schippmann, i Ingrid Waack. English for You. Berlin: Volk und Wissen.

Cita MLA (8th ed.)

Meinhardt, Margret, et al. English for You. Volk und Wissen.