%% You should probably cite rfc6839 instead of this I-D.
@techreport{ietf-appsawg-media-type-suffix-regs-04,
    number =    {draft-ietf-appsawg-media-type-suffix-regs-04},
    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-appsawg-media-type-suffix-regs/04/},
    author =    {Tony Hansen and Alexey Melnikov},
    title =     {{Additional Media Type Structured Syntax Suffixes}},
    pagetotal = 15,
    year =      2012,
    month =     sep,
    day =       13,
    abstract =  {A content media type name sometimes includes partitioned meta- information distinguish by a Structured Syntax, to permit noting an attribute of the media as a suffix to the name. This document defines several Structured Syntax Suffixes for use with media type registrations. In particular, it defines and registers the "+json", "+ber", "+der", "+fastinfoset", "+wbxml" and "+zip" Structured Syntax Suffixes, and updates the "+xml" Message Type Structured Syntax Suffix registration.},
}