APA

Röpke B., Bach M. & Frede H. (2004). Prediction of pesticide concentrations in German river basins from diffuse agricultural inpuls. Berlin: Erich Schmidt Verlag.

Chicago

Röpke Björn, Bach Martin and Frede Hans-Georg. 2004. Prediction of pesticide concentrations in German river basins from diffuse agricultural inpuls. Berlin: Erich Schmidt Verlag.

Harvard

Röpke B., Bach M. and Frede H. (2004). Prediction of pesticide concentrations in German river basins from diffuse agricultural inpuls. Berlin: Erich Schmidt Verlag.

MLA

Röpke Björn, Bach Martin and Frede Hans-Georg. Prediction of pesticide concentrations in German river basins from diffuse agricultural inpuls. Berlin: Erich Schmidt Verlag. 2004.