Cita APA (7a ed.)

Krengel, U. (2001). A paradox for the Wilcoxon rank-sum test. Vandenhoeck & Ruprecht in Göttingen.

Cita Chicago Style (17a ed.)

Krengel, Ulrich. A Paradox for the Wilcoxon Rank-sum Test. Göttingen: Vandenhoeck & Ruprecht in Göttingen, 2001.

Cita MLA (9a ed.)

Krengel, Ulrich. A Paradox for the Wilcoxon Rank-sum Test. Vandenhoeck & Ruprecht in Göttingen, 2001.