To cite package ‘rnaseqDTU’ in publications use:

  Love, M.I., Soneson, C., Patro, R. Swimming downstream: statistical
  analysis of differential transcript usage following Salmon
  quantification F1000Research (2018)

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Swimming downstream: statistical analysis of differential transcript usage following Salmon quantification},
    author = {Michael I. Love and Charlotte Soneson and Rob Patro},
    year = {2018},
    journal = {F1000Research},
    doi = {10.12688/f1000research.15398.3},
  }