To cite vennLasso in publications use:

Huling J, Yu M, Liang M, Smith M (2018). “Risk Prediction for Heterogeneous Populations with Application to Hospital Admission Prediction.” Biometrics, 74(2), 557–565. doi:10.1111/biom.12769.

Corresponding BibTeX entry:

  @Article{,
    author = {Jared D. Huling and Menggang Yu and Muxuan Liang and
      Maureen Smith},
    title = {Risk Prediction for Heterogeneous Populations with
      Application to Hospital Admission Prediction},
    journal = {Biometrics},
    year = {2018},
    volume = {74},
    number = {2},
    pages = {557--565},
    doi = {10.1111/biom.12769},
  }