%% You should probably cite rfc2475 instead of this I-D.
@techreport{ietf-diffserv-arch-01,
    number =    {draft-ietf-diffserv-arch-01},
    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-diffserv-arch/01/},
    author =    {David L. Black and Zheng Wang and Mark A. Carlson and Walter Weiss and Elwyn B. Davies and Steven L. Blake},
    title =     {{An Architecture for Differentiated Services}},
    pagetotal = 36,
    year =      1998,
    month =     aug,
    day =       14,
    abstract =  {This document defines an architecture for implementing scalable service differentiation in the Internet. This memo provides information for the Internet community.},
}