%% You should probably cite draft-iab-rfc7991bis instead of this I-D.
@techreport{iab-xml2rfc-v3-bis-00,
    number =    {draft-iab-xml2rfc-v3-bis-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-iab-xml2rfc-v3-bis/00/},
    author =    {Paul E. Hoffman},
    title =     {{The "xml2rfc" Version 3 Vocabulary}},
    pagetotal = 139,
    year =      2018,
    month =     oct,
    day =       2,
    abstract =  {This document defines the "xml2rfc" version 3 vocabulary: an XML- based language used for writing RFCs and Internet-Drafts. When published as an RFC, it will obsolete RFC 7991. Discussion of this document is taking place on the xml2rfc-dev mailing list. See \textless{}https://www.ietf.org/mailman/listinfo/xml2rfc-dev\textgreater{} for more information about the mailing list.},
}