@book{steiner-ga80c-de,
  author = {Steiner, Rudolf},
  title = {Die anthroposophische Geisteswissenschaft und die grossen Zivilisationsfragen der Gegenwart},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {80c},
  edition = {1},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2020},
  pagetotal = {506},
  isbn = {978-3-7274-0808-3},
  language = {german},
}

@online{anthroposophyai-ga80c,
  author = {Steiner, Rudolf},
  title = {Die anthroposophische Geisteswissenschaft und die grossen Zivilisationsfragen der Gegenwart (GA 80c), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/80c/},
  urldate = {2026-10-20},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Die anthroposophische Geisteswissenschaft und die grossen Zivilisationsfragen der Gegenwart (GA 80c), as served by anthroposophy.ai, https://anthroposophy.ai/ga/80c/, register entry https://anthroposophy.ai/contents/80c/, status as of 2026-10-20: German served; English editions English.},
}