@book{steiner-ga81-de,
  author = {Steiner, Rudolf},
  title = {Erneuerungs-Impulse für Kultur und Wissenschaft},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {81},
  edition = {1},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1994},
  pagetotal = {242},
  isbn = {978-3-7274-7340-1},
  language = {german},
}

@book{steiner-ga81-en-elib2018,
  author = {Steiner, Rudolf},
  title = {The Impulse for Renewal in Culture and Science},
  translator = {Hanna von Maltitz},
  year = {2018},
  language = {english},
  note = {GA 81; edition code eLib2018},
}

@online{anthroposophyai-ga81,
  author = {Steiner, Rudolf},
  title = {Erneuerungs-Impulse für Kultur und Wissenschaft (GA 81), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/81/},
  urldate = {2026-11-05},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Erneuerungs-Impulse für Kultur und Wissenschaft (GA 81), as served by anthroposophy.ai, https://anthroposophy.ai/ga/81/, register entry https://anthroposophy.ai/contents/81/, status as of 2026-11-05: German served; English editions eLib2018.},
}