To cite package 'resemble' in publications use:

Leornardo Ramirez-Lopez and Antoine Stevens (2016). resemble: Regression and similarity evaluation for memory-based learning in spectral chemometricsR package version 1.2.2.

Corresponding BibTeX entry:

  @Manual{,
    title = {resemble: Regression and similarity evaluation for
      memory-based learning in spectral chemometrics},
    author = {Leornardo Ramirez-Lopez and Antoine Stevens},
    year = {2016},
    note = {R package version 1.2.2},
  }