@book{steiner-ga154-de,
  author = {Steiner, Rudolf},
  title = {Wie erwirbt man sich Verständnis für die geistige Welt?},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {154},
  edition = {2},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {1985},
  pagetotal = {152},
  isbn = {978-3-7274-1540-1},
  language = {german},
}

@book{steiner-ga154-en-ap1990,
  author = {Steiner, Rudolf},
  title = {The Presence of the Dead on the Spiritual Path},
  translator = {Christian von Arnim and edited by Joachim Reuter},
  publisher = {Anthroposophic Press},
  year = {1990},
  isbn = {978-0880102834},
  language = {english},
  note = {GA 154; edition code AP1990},
}

@online{anthroposophyai-ga154,
  author = {Steiner, Rudolf},
  title = {Wie erwirbt man sich Verständnis für die geistige Welt? (GA 154), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/154/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Wie erwirbt man sich Verständnis für die geistige Welt? (GA 154), as served by anthroposophy.ai, https://anthroposophy.ai/ga/154/, register entry https://anthroposophy.ai/contents/154/, status as of 2026-10-21: German served; English editions AP1990.},
}