If you refer to MARLEY in academic work, please always cite the following reference:
S. Gardiner, Nuclear Effects in Neutrino Detection, PhD thesis, University of California, Davis (2018).
Providing a citation for the MARLEY code itself is also encouraged and appreciated. To maximize reproducibility of published calculations, such citations should include the digital object identifier (DOI) associated with the code release that was used. The DOIs for recent versions of MARLEY are listed on the GitHub releases webpage and in the right-hand column of the Zenodo “concept DOI” webpage.