APA   Click to copy
Newman, E., & Ruthotto, L. (2022). hessQuik: Fast Hessian computation of composite functions. Journal of Open Source Software, 7, 4171. https://doi.org/10.21105/joss.04171

Chicago/Turabian   Click to copy
Newman, Elizabeth, and Lars Ruthotto. “HessQuik: Fast Hessian Computation of Composite Functions.” Journal of Open Source Software 7 (2022): 4171.

MLA   Click to copy
Newman, Elizabeth, and Lars Ruthotto. “HessQuik: Fast Hessian Computation of Composite Functions.” Journal of Open Source Software, vol. 7, The Open Journal, 2022, p. 4171, doi:10.21105/joss.04171.

@article{newman2022a,
  title = {hessQuik: Fast Hessian computation of composite functions},
  year = {2022},
  journal = {Journal of Open Source Software},
  pages = {4171},
  publisher = {The Open Journal},
  volume = {7},
  doi = {10.21105/joss.04171},
  author = {Newman, Elizabeth and Ruthotto, Lars}
}