BibTeX:
@incollection{Various,
  author = {Various},
  title = {Shoghi Effendi had vivid and significant dreams during childhood},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2014/11/shoghi-effendi-had-vivid-and.html},
}

APA:
Various. Shoghi Effendi had vivid and significant dreams during childhood. In *Baha'i Stories Blog*.

MLA:
Various. "Shoghi Effendi had vivid and significant dreams during childhood." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "Shoghi Effendi had vivid and significant dreams during childhood." In *Baha'i Stories Blog*, n.d..