Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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