%% You should probably cite draft-ietf-jmap-sharing instead of this I-D.
@techreport{jenkins-jmap-sharing-00,
    number =    {draft-jenkins-jmap-sharing-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-jenkins-jmap-sharing/00/},
    author =    {Neil Jenkins},
    title =     {{JMAP Sharing}},
    pagetotal = 11,
    year =      2020,
    month =     dec,
    day =       15,
    abstract =  {This document specifies a data model for sharing data between users using JMAP.},
}