To cite the vagam package, use:

Shang HL, Hui FK (2019). vagam: Variational Approximations for Generalized Additive Models. R package version 1.1, https://CRAN.R-project.org/package=vagam.

Hui FKC, You C, Shang HL, Mueller S (2019). “Semiparametric regression using variational approximations.” Journal of the American Statistical Association. https://arxiv.org/abs/1810.01949.

Corresponding BibTeX entries:

  @Manual{,
    title = {{vagam}: Variational Approximations for Generalized
      Additive Models},
    author = {Han Lin Shang and Francis K.C. Hui},
    year = {2019},
    note = {R package version 1.1},
    url = {https://CRAN.R-project.org/package=vagam},
  }

  @Article{,
    title = {Semiparametric regression using variational
      approximations},
    author = {F. K. C. Hui and C. You and H. L. Shang and S. Mueller},
    journal = {Journal of the American Statistical Association},
    year = {2019},
    url = {https://arxiv.org/abs/1810.01949},
  }