APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.