To cite acss in publications use:

Gauvrit, N., Singmann, H., Soler-Toscano, F., & Zenil, H. (2014). Algorithmic complexity for psychology. A user-friendly implementation of the coding theorem method. arXiv:1409.4080

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 = {arXiv},
    year = {2014},
    volume = {abs/1409.4080},
    url = {http://arxiv.org/abs/1409.4080},
  }