Fuzzy Modeling with Spatial Information for Geographic Problems
  MLA
  Petry, Frederick E, et al. Fuzzy Modeling with Spatial Information for Geographic Problems. Springer Berlin Heidelberg, 2005.
  APA
  Petry, F. E, Cobb, M. A, Petry, F., & Robinson, V. B. (2005). Fuzzy Modeling with Spatial Information for Geographic Problems. Springer Berlin Heidelberg.
  Chicago
  Petry, Frederick E., Maria A Cobb, Fred Petry, and Vincent B Robinson. Fuzzy Modeling with Spatial Information for Geographic Problems. : Springer Berlin Heidelberg, 2005.