@book{steiner-ga225-de,
  author = {Steiner, Rudolf},
  title = {Drei Perspektiven der Anthroposophie},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {225},
  edition = {2},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1990},
  pagetotal = {240},
  isbn = {978-3-7274-2252-2},
  language = {german},
}

@book{steiner-ga225-en-sol2024,
  author = {Steiner, Rudolf},
  title = {Cultural Phenomena — Three Perspectives of Anthroposophy},
  publisher = {Steiner Online Library},
  year = {2024},
  language = {english},
  note = {GA 225; edition code SOL2024},
}

@online{anthroposophyai-ga225,
  author = {Steiner, Rudolf},
  title = {Drei Perspektiven der Anthroposophie (GA 225), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/225/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Drei Perspektiven der Anthroposophie (GA 225), as served by anthroposophy.ai, https://anthroposophy.ai/ga/225/, register entry https://anthroposophy.ai/contents/225/, status as of 2026-10-21: German served; English editions SOL2024.},
}