Hess S, Palma D (2019). “Apollo: a flexible, powerful and customisable freeware package for choice model estimation and application.” Journal of Choice Modelling, 32. doi:10.1016/j.jocm.2019.100170.

Hess S, Palma D (2025). Apollo: a flexible, powerful and customisable freeware package for choice model estimation and application. Package version 0.3.6, https://www.ApolloChoiceModelling.com.

Corresponding BibTeX entries:

  @Article{,
    title = {Apollo: a flexible, powerful and customisable freeware
      package for choice model estimation and application},
    author = {Stephane Hess and David Palma},
    journal = {Journal of Choice Modelling},
    volume = {32},
    doi = {10.1016/j.jocm.2019.100170},
    year = {2019},
  }

  @Manual{,
    title = {Apollo: a flexible, powerful and customisable freeware
      package for choice model estimation and application},
    author = {Stephane Hess and David Palma},
    year = {2025},
    note = {Package version 0.3.6},
    url = {https://www.ApolloChoiceModelling.com},
  }