APA (7th ed.) Citation

Bernsen, N. O., & Dybkjær, L. (2009). Multimodal usability. Springer.

Chicago Style (17th ed.) Citation

Bernsen, Niels Ole, and Laila Dybkjær. Multimodal Usability. London [u.a.]: Springer, 2009.

MLA (9th ed.) Citation

Bernsen, Niels Ole, and Laila Dybkjær. Multimodal Usability. Springer, 2009.