Citing NEBcutter  

Published restriction maps generated by NEBcutter should cite:

Vincze, T., Posfai, J. and Roberts, R.J.
NEBcutter: a program to cleave DNA with restriction enzymes
Nucleic Acids Res. 31: 3688-3691 (2003)

The full text of the article is available at the NAR and PubMed Central web sites.