Citation
If you publish research that uses gubbins you have to cite it as follows:
Croucher N. J., Page A. J., Connor T. R., Delaney A. J., Keane J. A., Bentley S. D., Parkhill J., Harris S.R. "Rapid phylogenetic analysis of large samples of recombinant bacterial whole genome sequences using Gubbins". Nucleic Acids Research, 2014, http://doi.org/10.1093/nar/gku1196.