APA (7th ed.) Citation

Sperlich, S., Tjostheim, D., & Yang, L. (1998). Nonparametric estimation and testing of interaction in additive models. Humboldt- Univ., Wirtschaftswiss. Fak.

Chicago Style (17th ed.) Citation

Sperlich, Stefan, Dag Tjostheim, and Lijian Yang. Nonparametric Estimation and Testing of Interaction in Additive Models. Berlin: Humboldt- Univ., Wirtschaftswiss. Fak, 1998.

MLA (9th ed.) Citation

Sperlich, Stefan, et al. Nonparametric Estimation and Testing of Interaction in Additive Models. Humboldt- Univ., Wirtschaftswiss. Fak, 1998.