%% You should probably cite draft-zhao-pim-igmp-mld-snooping-yang instead of this I-D.
@techreport{zhao-igmp-mld-snooping-yang-00,
    number =    {draft-zhao-igmp-mld-snooping-yang-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zhao-igmp-mld-snooping-yang/00/},
    author =    {Hongji Zhao},
    title =     {{A Yang Data Model for IGMP and MLD Snooping}},
    pagetotal = 27,
    year =      2017,
    month =     feb,
    day =       5,
    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.},
}