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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 不幸の手紙. Retrieved November 6, 2026, from https://4ort.xyz/entity/q130292876
MLA “不幸の手紙.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/q130292876.
BibTeX @misc{4ortxyz_q130292876_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{不幸の手紙}}, year = {2026}, url = {https://4ort.xyz/entity/q130292876}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 不幸の手紙 — https://4ort.xyz/entity/q130292876 (retrieved 2026-11-06)

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