Schulte, L., & Möllenbeck, T. (2020). Vorwort. Frieden, 9-12.
Chicago Style (17th ed.) CitationSchulte, Ludger, and Thomas Möllenbeck. "Vorwort." Frieden 2020: 9-12.
MLA引文Schulte, Ludger, and Thomas Möllenbeck. "Vorwort." Frieden, 2020, pp. 9-12.
警告:這些引文格式不一定是100%准確.