To cite tradeSeq in publications use:

  Van den Berge K, Roux de Bézieux H, Street K, Saelens W, Cannoodt R,
  Saeys Y, Dudoit S, Clement L (2020). Trajectory-based differential
  expression analysis for single-cell sequencing data. Nature
  Communications, 11(1), 1201.
  https://doi.org/10.1038/s41467-020-14766-3

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Trajectory-based differential expression analysis for single-cell sequencing data},
    author = {Koen {Van den Berge} and Hector {Roux de Bézieux} and Kelly Street and Wouter Saelens and Robrecht Cannoodt and Yvan Saeys and Sandrine Dudoit and Lieven Clement},
    journal = {Nature Communications},
    year = {2020},
    volume = {11},
    number = {1},
    pages = {1201},
    url = {https://www.nature.com/articles/s41467-020-14766-3},
    doi = {10.1038/s41467-020-14766-3},
  }