To cite package ‘MetaCyto’ in publications use:

  Hu, Zicheng, et al. Meta-analysis of Cytometry Data Reveals Racial
  Differences in Immune Cells. bioRxiv (2017): 130948.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {{Hu} and {Zicheng} and {Jujjavarapu} and {Chethan} and {Hughey} and Jake J. and {Andorf} and {Sandra} and {Gherardini} and Pier Federico and {Spitzer} and Matthew H. and {Dunn} and {Patrick} and {Thomas} and Cristel G. and {Campbell} and {John} and {Wiser} and {Jeff} and {Nolan} and Garry P. and {Bhattacharya} and {Sanchita} and {Butte} and Atul J.},
    title = {Meta-analysis of Cytometry Data Reveals Racial Differences in Immune Cells},
    journal = {bioRxiv},
    year = {2017},
  }