@book{steiner-ga40-de,
  author = {Steiner, Rudolf},
  title = {Wahrspruchworte (ca. 1886 – 1925)},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {40},
  edition = {10},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2019},
  pagetotal = {474},
  isbn = {978-3-7274-5714-2},
  language = {german},
}

@online{anthroposophyai-ga40,
  author = {Steiner, Rudolf},
  title = {Wahrspruchworte (ca. 1886 – 1925) (GA 40), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/40/},
  urldate = {2026-11-04},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Wahrspruchworte (ca. 1886 – 1925) (GA 40), as served by anthroposophy.ai, https://anthroposophy.ai/ga/40/, register entry https://anthroposophy.ai/contents/40/, status as of 2026-11-04: German served; English editions English.},
}