To cite package ‘CHNOSZ’ in publications use:

  Dick JM (2019). “CHNOSZ: Thermodynamic calculations and diagrams for
  geochemistry.” _Frontiers in Earth Science_, *7*, 180.
  doi:10.3389/feart.2019.00180
  <https://doi.org/10.3389/feart.2019.00180>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {CHNOSZ: Thermodynamic calculations and diagrams for geochemistry},
    author = {Jeffrey M. Dick},
    journal = {Frontiers in Earth Science},
    year = {2019},
    volume = {7},
    pages = {180},
    doi = {10.3389/feart.2019.00180},
  }

  Dick JM (2021). “Diagrams with multiple metals in CHNOSZ.” _Applied
  Computing and Geosciences_, *10*, 100059.
  doi:10.1016/j.acags.2021.100059
  <https://doi.org/10.1016/j.acags.2021.100059>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Diagrams with multiple metals in CHNOSZ},
    author = {Jeffrey M. Dick},
    journal = {Applied Computing and Geosciences},
    year = {2021},
    volume = {10},
    pages = {100059},
    doi = {10.1016/j.acags.2021.100059},
  }

  Dick JM (2008). “Calculation of the relative metastabilities of
  proteins using the CHNOSZ software package.” _Geochemical
  Transactions_, *9*, 10. doi:10.1186/1467-4866-9-10
  <https://doi.org/10.1186/1467-4866-9-10>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Calculation of the relative metastabilities of proteins using the CHNOSZ software package},
    author = {Jeffrey M. Dick},
    journal = {Geochemical Transactions},
    year = {2008},
    volume = {9},
    pages = {10},
    doi = {10.1186/1467-4866-9-10},
  }