To cite package ‘sparsediff’ in publications use:

  Narasimhan B, Cederberg D, Zhang W (2026). _sparsediff: R Interface
  to the 'SparseDiffEngine' Sparse Differentiation Backend_. R package
  version 0.4.0, <https://github.com/bnaras/sparsediff>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {sparsediff: R Interface to the 'SparseDiffEngine' Sparse Differentiation
Backend},
    author = {Balasubramanian Narasimhan and Daniel Cederberg and William Zijie Zhang},
    year = {2026},
    note = {R package version 0.4.0},
    url = {https://github.com/bnaras/sparsediff},
  }