To cite scDD in publications use:

  Korthauer KD, Chu LF, Newton MA, Li Y, Thomson J, Stewart R,
  Kendziorski C. (2016). A statistical approach for identifying
  differential distributions in single-cell RNA-seq experiments. Genome
  Biology, 17(1), 222. URL
  https://genomebiology.biomedcentral.com/articles/10.1186/s13059-016-1077-y

A BibTeX entry for LaTeX users is

  @Article{,
    title = {A statistical approach for identifying differential 
  distributions in single-cell {RNA}-seq experiments},
    author = {Keegan D Korthauer and Li-Fang Chu and Michael A Newton and Li Yuan and James Thomson and Ron Stewart and Christina Kendziorski},
    journal = {Genome Biology},
    year = {2016},
    volume = {17},
    number = {1},
    pages = {222},
    url = {https://genomebiology.biomedcentral.com/articles/10.1186/s13059-016-1077-y},
  }