To cite the biobtreeR package please use:

  Gur T. Biobtree: A tool to search and map bioinformatics identifiers
  and special keywords [version 2; peer review: 2 approved with
  reservations]. F1000Research 2019, 8:145

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Biobtree: A tool to search and map bioinformatics identifiers and special keywords},
    author = {Tamer Gur},
    year = {2019},
    journal = {F1000},
    doi = {10.12688/f1000research.17927.2},
    url = {https://doi.org/10.12688/f1000research.17927.2},
  }