To cite ruta in publications use:

D. Charte, F. Herrera and F. Charte, Ruta: Implementations of neural autoencoders in R, Knowledge-Based Systems (2019), https://doi.org/10.1016/j.knosys.2019.01.01

Corresponding BibTeX entry:

  @Article{,
    title = {Ruta: Implementations of neural autoencoders in R},
    author = {David Charte and Francisco Herrera and Francisco Charte},
    journal = {Knowledge-Based Systems},
    year = {2019},
    volume = {In press},
    doi = {10.1016/j.knosys.2019.01.014},
  }