APA (7th ed.) Citation

Keller K & Engelhardt M. (2013). Orthopädie. Dynamic Media Sales Verlag.

Chicago Style (17th ed.) Citation

Keller K and Engelhardt M. Orthopädie. Dynamic Media Sales Verlag, 2013.

MLA (9th ed.) Citation

Keller K and Engelhardt M. Orthopädie. Dynamic Media Sales Verlag, 2013.

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