Rupp, H., & Jäcklin, C. (2018). Mensch plus. Calwer Verlag.
Chicago Style (17th ed.) CitationRupp, Hartmut, and Christian Jäcklin. Mensch Plus. Stuttgart: Calwer Verlag, 2018.
MLA (9th ed.) CitationRupp, Hartmut, and Christian Jäcklin. Mensch Plus. Calwer Verlag, 2018.
Warning: These citations may not always be 100% accurate.