To cite MEM in publications use:

  Diggins, K. E., Greenplate, A. R., Leelatian, N., Wogsland, C. E., &
  Irish, J. M. (2017) Characterizing cell subsets using marker
  enrichment modeling Nature methods, 14(3), 275-278.
  https://doi.org/10.1038/nmeth.4149

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Characterizing cell subsets using marker enrichment modeling},
    author = {Kirsten E Diggins and Allison R Greenplate and Nalin Leelatian and Cara E Wogsland and Jonathan M Irish},
    journal = {Nature Methods},
    year = {2017},
    volume = {14},
    pages = {275-278},
    url = {https://www.nature.com/articles/nmeth.4149},
  }