Hammarström et al. (eds.) 2017

Hammarström, Harald, Robert Forkel & Martin Haspelmath (eds.) 2017. Glottolog 3.0. Jena: Max Planck Institute for the Science of Human History.

http://glottolog.org/

@book{hammarstromglottolog2017,
  address   = {Jena},
  editor    = {Hammarström, Harald and Forkel, Robert and Haspelmath, Martin},
  publisher = {Max Planck Institute for the Science of Human History},
  title     = {Glottolog 3.0},
  url       = {http://glottolog.org/},
  year      = {2017}
}