Cita APA (7a ed.)

Pfannkuch, H. (1990). Elsevier's dictionary of environmental hydrogeology: In English, French, and German. Elsevier.

Cita Chicago Style (17a ed.)

Pfannkuch, Hans-Olaf. Elsevier's Dictionary of Environmental Hydrogeology: In English, French, and German. Amsterdam ; New York: Elsevier, 1990.

Cita MLA (8a ed.)

Pfannkuch, Hans-Olaf. Elsevier's Dictionary of Environmental Hydrogeology: In English, French, and German. Elsevier, 1990.