To cite package ‘mastif’ in publications use:

  Clark JS, Nunes C, Tomasek B (2019). “Masting as an unreliable
  resource: spatio-temporal host diversity merged with consumer
  movement, storage, and diet.” _Ecological Monographs_, *89*, e01381.
  <https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecm.1381>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Masting as an unreliable resource: spatio-temporal host diversity merged with consumer movement, storage, and diet},
    author = {James S. Clark and Chase Nunes and Bradley Tomasek},
    year = {2019},
    pages = {e01381},
    volume = {89},
    journal = {Ecological Monographs},
    url = {https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecm.1381},
  }