To cite package ‘picohdr’ in publications use:

  Cheng M (2024). _picohdr: Read, Write and Manipulate High Dynamic
  Range Images_. R package version 0.1.0,
  <https://github.com/coolbutuseless/picohdr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {picohdr: Read, Write and Manipulate High Dynamic Range Images},
    author = {Mike Cheng},
    year = {2024},
    note = {R package version 0.1.0},
    url = {https://github.com/coolbutuseless/picohdr},
  }