APA (7th ed.) Citation

Lenhard, H., & Zimmermann, M. (2016). Was bin ich wert? Friedrich.

Chicago Style (17th ed.) Citation

Lenhard, Hartmut, and Mirjam Zimmermann. Was Bin Ich Wert? Seelze: Friedrich, 2016.

MLA (9th ed.) Citation

Lenhard, Hartmut, and Mirjam Zimmermann. Was Bin Ich Wert? Friedrich, 2016.