To cite package ‘spatialDmelxsim’ in publications use:

  Combs PA, Fraser HB (2018) Spatially varying cis-regulatory
  divergence in Drosophila embryos elucidates cis-regulatory logic.
  PLOS Genetics 14(11): e1007631.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Combs} and Peter A. and {Fraser} and Hunter B.},
    title = {Spatially varying cis-regulatory divergence in Drosophila embryos elucidates cis-regulatory logic},
    journal = {PLOS Genetics},
    year = {2018},
    volume = {14},
    number = {11},
    pages = {e1007631},
    url = {https://doi.org/10.1371/journal.pgen.1007631},
  }