Bux, P., & Kraskopf, P. (2020). 1990,-. Verlag Kettler.
Chicago Style (17th ed.) CitationBux, Peter, and Peter Kraskopf. 1990,-. Dortmund: Verlag Kettler, 2020.
MLA (9th ed.) CitationBux, Peter, and Peter Kraskopf. 1990,-. Verlag Kettler, 2020.
Warning: These citations may not always be 100% accurate.