To cite package ‘RAMP’ in publications use:

  Feng Y, Hao N, Helen Zhang H (2020). _RAMP: Regularized Generalized
  Linear Models with Interaction Effects_. R package version 2.0.2,
  <https://CRAN.R-project.org/package=RAMP>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RAMP: Regularized Generalized Linear Models with Interaction Effects},
    author = {Yang Feng and Ning Hao and Hao {Helen Zhang}},
    year = {2020},
    note = {R package version 2.0.2},
    url = {https://CRAN.R-project.org/package=RAMP},
  }