@book{steiner-ga79-de,
  author = {Steiner, Rudolf},
  title = {Die Wirklichkeit der höheren Welten},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {79},
  edition = {2},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1988},
  pagetotal = {290},
  isbn = {978-3-7274-6331-0},
  language = {german},
}

@book{steiner-ga79-en-apc1947,
  author = {Steiner, Rudolf},
  title = {Foundations of Anthroposophy},
  publisher = {Anthroposophical Publishing Co.},
  year = {1947},
  language = {english},
  note = {GA 79; edition code APC1947},
}

@online{anthroposophyai-ga79,
  author = {Steiner, Rudolf},
  title = {Die Wirklichkeit der höheren Welten (GA 79), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/79/},
  urldate = {2026-11-04},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Die Wirklichkeit der höheren Welten (GA 79), as served by anthroposophy.ai, https://anthroposophy.ai/ga/79/, register entry https://anthroposophy.ai/contents/79/, status as of 2026-11-04: German served; English editions APC1947.},
}