To cite neotoma in publications use:

  Goring, S., Dawson, A., Simpson, G. L., Ram, K., Graham, R. W.,
  Grimm, E. C., & Williams, J. W.. (2015). neotoma: A Programmatic
  Interface to the Neotoma Paleoecological Database, 1(1), Art. 2. DOI:
  http://doi.org/10.5334/oq.ab

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{neotoma}: A Programmatic Interface to the Neotoma Paleoecological Database},
    author = {Simon Goring and Andria Dawson and Gavin L Simpson and Karthik Ram and Russell W Graham and Eric C Grimm and Jack W. Williams},
    journal = {Open Quaternary},
    year = {2015},
    volume = {1},
    number = {1},
    pages = {2},
    url = {http://doi.org/10.5334/oq.ab},
  }