To cite acss in publications use:

Gauvrit N, Singmann H, Soler-Toscano F, Zenil H (2016). “Algorithmic complexity for psychology: A user-friendly implementation of the coding theorem method.” Behavior Research Methods, 48, 314-329. doi:10.3758/s13428-015-0574-3.

Corresponding BibTeX entry:

  @Article{,
    title = {Algorithmic complexity for psychology: {A} user-friendly
      implementation of the coding theorem method},
    author = {Nicolas Gauvrit and Henrik Singmann and Fernando
      Soler-Toscano and Hector Zenil},
    journal = {Behavior Research Methods},
    year = {2016},
    volume = {48},
    issue = {1},
    pages = {314-329},
    doi = {10.3758/s13428-015-0574-3},
  }