APA (7th ed.) Citation

Airlie, M., Kopleck, H., McNulty, V., & Pradier, G. (2016). Collins easy learning German grammar & practice (Second edition.). Collins.

Chicago Style (17th ed.) Citation

Airlie, Maree, Horst Kopleck, Val McNulty, and Gudrun Pradier. Collins Easy Learning German Grammar & Practice. Second edition. Glasgow: Collins, 2016.

MLA (9th ed.) Citation

Airlie, Maree, et al. Collins Easy Learning German Grammar & Practice. Second edition. Collins, 2016.