Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Russell, D and Hatfull, G(2021). Cluster diversity and isolation indices. Bio-protocol Preprint. bio-protocol.org/prep1079.
Pope, W. H., Bowman, C. A., Russell, D. A., Jacobs-Sera, D., Asai, D. J., Cresawn, S. G., Jacobs, W. R., Hendrix, R. W., Lawrence, J. G. and Hatfull, G. F.(2015). Whole genome comparison of a large collection of mycobacteriophages reveals a continuum of phage genetic diversity. eLIFE. DOI: 10.7554/eLife.06416