To cite package ‘rapsimng.lupin’ in publications use:

  Zheng B (2026). _rapsimng.lupin: Crop-Specific Functions and
  Parameters for APSIM Next Generation Lupin Model_. R package version
  0.1.0, <https://github.com/byzheng/rapsimng.lupin>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rapsimng.lupin: Crop-Specific Functions and Parameters for APSIM Next Generation
Lupin Model},
    author = {Bangyou Zheng},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/byzheng/rapsimng.lupin},
  }