To cite TheOrdinals (and the DIVA method) in publications use:

  Albano, A. and Romano, M. (2026). A distance-based aggregation method
  for finding consensus in preference-approvals. Advances in Data
  Analysis and Classification. doi:10.1007/s11634-025-00663-4

A BibTeX entry for LaTeX users is

  @Article{,
    title = {A distance-based aggregation method for finding consensus in preference-approvals},
    author = {Alessandro Albano and Maurizio Romano},
    journal = {Advances in Data Analysis and Classification},
    year = {2026},
    doi = {10.1007/s11634-025-00663-4},
  }