@book{steiner-ga216-de,
  author = {Steiner, Rudolf},
  title = {Die Grundimpulse des weltgeschichtlichen Werdens der Menschheit},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {216},
  edition = {3},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1988},
  pagetotal = {168},
  isbn = {978-3-7274-2160-0},
  language = {german},
}

@book{steiner-ga216-en-rspc1956,
  author = {Steiner, Rudolf},
  title = {Supersensible Influences in the History of Mankind},
  publisher = {Rudolf Steiner Publishing Co.},
  year = {1956},
  language = {english},
  note = {GA 216; edition code RSPC1956},
}

@online{anthroposophyai-ga216,
  author = {Steiner, Rudolf},
  title = {Die Grundimpulse des weltgeschichtlichen Werdens der Menschheit (GA 216), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/216/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Die Grundimpulse des weltgeschichtlichen Werdens der Menschheit (GA 216), as served by anthroposophy.ai, https://anthroposophy.ai/ga/216/, register entry https://anthroposophy.ai/contents/216/, status as of 2026-10-21: German served; English editions RSPC1956.},
}