Will Schroeder and Ken Martin and Bill Lorensen.
The Visualization Toolkit.
Kitware, 2006.

Bibtex:

@Book{           schroeder:2006:VTK,
  author = 	 "Will Schroeder and Ken Martin and Bill Lorensen",
  title = 	 "The Visualization Toolkit",
  publisher = 	 "Kitware",
  year = 	 "2006",
}