APA (7th ed.) Citation

Yang, J., & Köppel-Yang, M. (2017). I often do bad things: Yang Jiechang: texts and works, 1982-2016. Verlag Kettler.

Chicago Style (17th ed.) Citation

Yang, Jiecang, and Martina Köppel-Yang. I Often Do Bad Things: Yang Jiechang: Texts and Works, 1982-2016. Dortmund: Verlag Kettler, 2017.

MLA (9th ed.) Citation

Yang, Jiecang, and Martina Köppel-Yang. I Often Do Bad Things: Yang Jiechang: Texts and Works, 1982-2016. Verlag Kettler, 2017.