@book{steiner-ga19-de,
  author = {Steiner, Rudolf},
  title = {Gedanken während der Zeit des Krieges (1915)},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {19},
  edition = {1},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  isbn = {978-3-7274-0190-9},
  language = {german},
}

@book{steiner-ga19-en-sol2024,
  author = {Steiner, Rudolf},
  title = {Additional Documents Concerning the Events of World War I},
  publisher = {Steiner Online Library},
  year = {2024},
  language = {english},
  note = {GA 19; edition code SOL2024},
}

@online{anthroposophyai-ga19,
  author = {Steiner, Rudolf},
  title = {Gedanken während der Zeit des Krieges (1915) (GA 19), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/19/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Gedanken während der Zeit des Krieges (1915) (GA 19), as served by anthroposophy.ai, https://anthroposophy.ai/ga/19/, register entry https://anthroposophy.ai/contents/19/, status as of 2026-10-21: German served; English editions SOL2024.},
}