To cite package ‘amanpg’ in publications use:

Chen S, Huang J, Jochem B, Ma S, Xu H, Xue L, Zheng Z, Zou H (2022). amanpg: Alternating Manifold Proximal Gradient Method for Sparse PCA. R package version 0.3.4, https://CRAN.R-project.org/package=amanpg.

Corresponding BibTeX entry:

  @Manual{,
    title = {amanpg: Alternating Manifold Proximal Gradient Method for
      Sparse PCA},
    author = {Shixiang Chen and Justin Huang and Benjamin Jochem and
      Shiqian Ma and Haichuan Xu and Lingzhou Xue and Zhong Zheng and
      Hui Zou},
    year = {2022},
    note = {R package version 0.3.4},
    url = {https://CRAN.R-project.org/package=amanpg},
  }