Cita APA (7th ed.)

Härdle, W. (1990). Applied Nonparametric Regression: Wolfgang Härdle. cambridge university pr..

Cita Chicago (17th ed.)

Härdle, Wolfgang. Applied Nonparametric Regression: Wolfgang Härdle. Cambridge: cambridge university pr., 1990.

Cita MLA (9th ed.)

Härdle, Wolfgang. Applied Nonparametric Regression: Wolfgang Härdle. cambridge university pr., 1990.