APA

Smit A. L., Bengough A. G., Engels C. & Noordwijk M. v. (2000). Root methods. Berlin: Springer-Verlag.

Chicago

Smit A L, Bengough A G, Engels C and Noordwijk M van. 2000. Root methods. Berlin: Springer-Verlag.

Harvard

Smit A. L., Bengough A. G., Engels C. and Noordwijk M. v. (2000). Root methods. Berlin: Springer-Verlag.

MLA

Smit A L, Bengough A G, Engels C and Noordwijk M van. Root methods. Berlin: Springer-Verlag. 2000.