Wieman, M., & Bier, M. (1989). Mathias Wieman.
Chicago Style (17th ed.) CitationWieman, Mathias, and Markus Bier. Mathias Wieman. 1989.
MLA (9th ed.) CitationWieman, Mathias, and Markus Bier. Mathias Wieman. 1989.
Warning: These citations may not always be 100% accurate.