%% You should probably cite rfc7227 instead of this I-D.
@techreport{ietf-dhc-option-guidelines-07,
    number =    {draft-ietf-dhc-option-guidelines-07},
    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-dhc-option-guidelines/07/},
    author =    {David Hankins},
    title =     {{Guidelines for Creating New DHCP Options}},
    pagetotal = 18,
    year =      2011,
    month =     oct,
    day =       1,
    abstract =  {This document seeks to provide guidance to prospective DHCP Option authors, to help them in producing option formats that are easily adoptable.},
}