%% You should probably cite rfc7863 instead of this I-D.
@techreport{ietf-nfsv4-minorversion2-dot-x-40,
    number =    {draft-ietf-nfsv4-minorversion2-dot-x-40},
    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-nfsv4-minorversion2-dot-x/40/},
    author =    {Thomas Haynes},
    title =     {{NFSv4 Minor Version 2 Protocol External Data Representation Standard (XDR) Description}},
    pagetotal = 82,
    year =      2016,
    month =     jan,
    day =       6,
    abstract =  {This Internet-Draft provides the XDR description for NFSv4 minor version two.},
}