To cite maxlike in publications use:

J.A. Royle, R.B. Chandler, C. Yackulic, and J.D. Nichols (2012). Likelihood analysis of species occurrence probability from presence-only data for modelling species distributions Methods in Ecology and Evolution.

Corresponding BibTeX entry:

  @Article{,
    title = {Likelihood analysis of species occurrence probability from
      presence-only data for modelling species distributions},
    author = {J. Andrew Royle and Richard B. Chandler and Charles
      Yackulic and James D. Nichols},
    journal = {Methods in Ecology and Evolution},
    year = {2012},
  }