APA-referens

Poehls, D., & Smith, G. J. (2009). Encyclopedic dictionary of Hydrogeology. Elsevier.

Chicago-stil citat

Poehls, D.J, och Gregory J. Smith. Encyclopedic Dictionary of Hydrogeology. Oxford: Elsevier, 2009.

MLA-referens

Poehls, D.J, och Gregory J. Smith. Encyclopedic Dictionary of Hydrogeology. Elsevier, 2009.