To cite GsymPoint in publications use:

M. L, E.M. M, E. L, C. CS (2017). “GsymPoint: An R Package to Estimate the Generalized Symmetry Point, an Optimal Cut-off Point for Binary Classification in Continuous Diagnostic Tests.” The R Journal (accepted).

Corresponding BibTeX entry:

  @Article{,
    title = {{GsymPoint}: An {R} Package to Estimate the Generalized
      Symmetry Point, an Optimal Cut-off Point for Binary
      Classification in Continuous Diagnostic Tests},
    author = {L{\'o}pez-Rat{\'o}n M. and Molanes-L{\'o}pez E.M. and
      Let{\'o}n E. and Cadarso Su{\'a}rez C.},
    journal = {The R Journal (accepted)},
    year = {2017},
  }