@book{steiner-ga93a-de,
  author = {Steiner, Rudolf},
  title = {Grundelemente der Esoterik},
  series = {Rudolf Steiner Gesamtausgabe},
  number = {93a},
  edition = {4},
  publisher = {Rudolf Steiner Verlag},
  address = {Basel},
  year = {2014},
  pagetotal = {298},
  isbn = {978-3-7274-0936-3},
  language = {german},
}

@book{steiner-ga93a-en-rsp1982,
  author = {Steiner, Rudolf},
  title = {Foundations of Esotericism},
  translator = {Vera and Judith Compton-Burnett},
  publisher = {Rudolf Steiner Press},
  year = {1982},
  language = {english},
  note = {GA 93a; edition code RSP1982},
}

@online{anthroposophyai-ga93a,
  author = {Steiner, Rudolf},
  title = {Grundelemente der Esoterik (GA 93a), as served by anthroposophy.ai},
  url = {https://anthroposophy.ai/contents/93a/},
  urldate = {2026-10-21},
  organization = {anthroposophy.ai},
  note = {Rudolf Steiner, Grundelemente der Esoterik (GA 93a), as served by anthroposophy.ai, https://anthroposophy.ai/ga/93a/, register entry https://anthroposophy.ai/contents/93a/, status as of 2026-10-21: German served; English editions RSP1982.},
}