Cita APA (7a ed.)

Hettmansperger, T. P., & McKean, J. W. (1998). Robust nonparametric statistical methods. Arnold.

Cita Chicago Style (17a ed.)

Hettmansperger, Thomas P., y Joseph W. McKean. Robust Nonparametric Statistical Methods. London [etc.]: Arnold, 1998.

Cita MLA (9a ed.)

Hettmansperger, Thomas P., y Joseph W. McKean. Robust Nonparametric Statistical Methods. Arnold, 1998.