%% You should probably cite rfc9171 instead of this I-D.
@techreport{ietf-dtn-bpbis-16,
    number =    {draft-ietf-dtn-bpbis-16},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-dtn-bpbis/16/},
    author =    {Scott Burleigh and Kevin Fall and Edward J. Birrane},
    title =     {{Bundle Protocol Version 7}},
    pagetotal = 64,
    year =      2019,
    month =     oct,
    day =       26,
    abstract =  {This Internet Draft presents a specification for Bundle Protocol, adapted from the experimental Bundle Protocol specification developed by the Delay-Tolerant Networking Research group of the Internet Research Task Force and documented in RFC 5050.},
}