APA (7th ed.) Citation

Gester, S., Kegyes, E., Białek, M., Haußmann, J., & Kontríková, I. (2015). Quo vadis DaF? Peter Lang.

Chicago Style (17th ed.) Citation

Gester, Silke, Erika Kegyes, Magdalena Białek, Julia Haußmann, and Iveta Kontríková. Quo Vadis DaF? Frankfurt am Main: Peter Lang, 2015.

MLA (9th ed.) Citation

Gester, Silke, et al. Quo Vadis DaF? Peter Lang, 2015.