Birnbaum, G. (1991). Stichwort Churning. Wistra, 7, 253-256.
Chicago Style (17th ed.) CitationBirnbaum, Günter. "Stichwort Churning." Wistra 7 (1991): 253-256.
MLA (8th ed.) CitationBirnbaum, Günter. "Stichwort Churning." Wistra, 7, 1991, pp. 253-256.
Warning: These citations may not always be 100% accurate.