Cita APA (7th ed.)

Hampel, F. R., Ronchetti, E., Rousseeuw, P. J., & Stahel, W. A. (1986). Robust statistics: The approach based on influence functions. Wiley.

Cita Chicago (17th ed.)

Hampel, Frank R., Elvezio Ronchetti, Peter J. Rousseeuw, i Werner A. Stahel. Robust Statistics: The Approach Based on Influence Functions. Nueva York: Wiley, 1986.

Cita MLA (9th ed.)

Hampel, Frank R., et al. Robust Statistics: The Approach Based on Influence Functions. Wiley, 1986.