Xtal program contributors are from many different laboratories around the world. Their efforts are rewarded by citing Xtal and the programs used in producing results for publication.
The following citation formats are requested.
Hall, S.R., du Boulay, D.J. & Olthof-Hazekamp, R. (2000) Eds. Xtal3.7 System. University of Western Australia.
and for individual significant programs:
[[author name(s)]] (2000) [[program name]] Xtal3.7 System. Eds. S.R. Hall, D.J. du Boulay & R. Olthof-Hazekamp. University of Western Australia.