%% You should probably cite rfc9195 instead of this I-D.
@techreport{ietf-netmod-yang-instance-file-format-21,
    number =    {draft-ietf-netmod-yang-instance-file-format-21},
    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-netmod-yang-instance-file-format/21/},
    author =    {Balázs Lengyel and Benoît Claise},
    title =     {{A File Format for YANG Instance Data}},
    pagetotal = 24,
    year =      2021,
    month =     oct,
    day =       8,
    abstract =  {There is a need to document data defined in YANG models at design time, implementation time, or when a live server is unavailable. This document specifies a standard file format for YANG instance data, which follows the syntax and semantics of existing YANG models and annotates it with metadata.},
}