@book{steiner-ga259-de,
  author = {Steiner, Rudolf},
  title = {Das Schicksalsjahr 1923 in der Geschichte der Anthroposophischen Gesellschaft},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {259},
  edition = {1},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1991},
  pagetotal = {960},
  isbn = {978-3-7274-2590-5},
  language = {german},
}

@online{anthroposophyai-ga259,
  author = {Steiner, Rudolf},
  title = {Das Schicksalsjahr 1923 in der Geschichte der Anthroposophischen Gesellschaft (GA 259), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/259/},
  urldate = {2026-11-05},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Das Schicksalsjahr 1923 in der Geschichte der Anthroposophischen Gesellschaft (GA 259), as served by anthroposophy.ai, https://anthroposophy.ai/ga/259/, register entry https://anthroposophy.ai/contents/259/, status as of 2026-11-05: German served; English editions English.},
}