To cite dbmss in publications use:

Marcon E, Traissac S, Puech F, Lang G (2015). “Tools to Characterize Point Patterns: dbmss for R.” Journal of Statistical Software, Code Snippets, 67(3), 1–15. doi:10.18637/jss.v067.c03.

Corresponding BibTeX entry:

    title = {Tools to Characterize Point Patterns: {dbmss} for {R}},
    author = {Eric Marcon and St{\'e}phane Traissac and Florence Puech
      and Gabriel Lang},
    journal = {Journal of Statistical Software, Code Snippets},
    year = {2015},
    volume = {67},
    number = {3},
    pages = {1--15},
    doi = {10.18637/jss.v067.c03},