%% You should probably cite rfc9166 instead of this I-D.
@techreport{ietf-pim-igmp-mld-snooping-yang-01,
    number =    {draft-ietf-pim-igmp-mld-snooping-yang-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-pim-igmp-mld-snooping-yang/01/},
    author =    {Hongji Zhao and Xufeng Liu and Yisong Liu and Mahesh Sivakumar and Anish Peter},
    title =     {{A Yang Data Model for IGMP and MLD Snooping}},
    pagetotal = 45,
    year =      2018,
    month =     feb,
    day =       27,
    abstract =  {This document defines a YANG data model that can be used to configure and manage Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping devices.},
}