@book{steiner-ga325-de,
  author = {Steiner, Rudolf},
  title = {Die Naturwissenschaft und die weltgeschichtliche Entwickelung der Menschheit seit dem Altertum},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {325},
  edition = {2},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1989},
  pagetotal = {192},
  isbn = {978-3-7274-3250-7},
  language = {german},
}

@book{steiner-ga325-en-pav1933,
  author = {Steiner, Rudolf},
  title = {European Spiritual Life in the 19th Century},
  year = {1933},
  language = {english},
  note = {GA 325; edition code PAV1933},
}

@online{anthroposophyai-ga325,
  author = {Steiner, Rudolf},
  title = {Die Naturwissenschaft und die weltgeschichtliche Entwickelung der Menschheit seit dem Altertum (GA 325), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/325/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Die Naturwissenschaft und die weltgeschichtliche Entwickelung der Menschheit seit dem Altertum (GA 325), as served by anthroposophy.ai, https://anthroposophy.ai/ga/325/, register entry https://anthroposophy.ai/contents/325/, status as of 2026-10-21: German served; English editions PAV1933.},
}