APA (7th ed.) Citation

Birnbaum, G. (1991). Stichwort Churning. Wistra, 7, 253-256.

Chicago Style (17th ed.) Citation

Birnbaum, Günter. "Stichwort Churning." Wistra 7 (1991): 253-256.

MLA (8th ed.) Citation

Birnbaum, Günter. "Stichwort Churning." Wistra, 7, 1991, pp. 253-256.

Warning: These citations may not always be 100% accurate.