@book{steiner-ga128-de,
  author = {Steiner, Rudolf},
  title = {Eine okkulte Physiologie},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {128},
  edition = {6},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2022},
  pagetotal = {228},
  isbn = {978-3-7274-7321-0},
  language = {german},
}

@book{steiner-ga128-en-rspc1951,
  author = {Steiner, Rudolf},
  title = {An Occult Physiology},
  publisher = {Rudolf Steiner Publishing Co.},
  year = {1951},
  language = {english},
  note = {GA 128; edition code RSPC1951},
}

@online{anthroposophyai-ga128,
  author = {Steiner, Rudolf},
  title = {Eine okkulte Physiologie (GA 128), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/128/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Eine okkulte Physiologie (GA 128), as served by anthroposophy.ai, https://anthroposophy.ai/ga/128/, register entry https://anthroposophy.ai/contents/128/, status as of 2026-10-21: German served; English editions RSPC1951.},
}