To cite package intamap in publications use:

E. Pebesma, D. Cornford, G. Dubois, G.B.M. Heuvelink, D. Hristopoulos, J. Pilz, U. Stoehlker, G. Morin, J.O. Skoien (2010). “INTAMAP: the design and implementation of an interoperable automated interpolation web service.” Computers & Geosciences, 37, 343-352. http://dx.doi.org/10.1016/j.cageo.2010.03.019.

Corresponding BibTeX entry:

  @Article{,
    title = {INTAMAP: the design and implementation of an interoperable
      automated interpolation web service},
    author = {{E. Pebesma} and {D. Cornford} and {G. Dubois} and
      {G.B.M. Heuvelink} and {D. Hristopoulos} and {J. Pilz} and {U.
      Stoehlker} and {G. Morin} and {J.O. Skoien}},
    journal = {Computers & Geosciences},
    year = {2010},
    volume = {37},
    pages = {343-352},
    url = {http://dx.doi.org/10.1016/j.cageo.2010.03.019},
  }