BibTeX:
@incollection{Various,
  author = {Various},
  title = {A Pilgrim Meets Shoghi Effendi in Paris},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2015/03/meeting-shoghi-effendi-in-paris-during.html},
}

APA:
Various. A Pilgrim Meets Shoghi Effendi in Paris. In *Baha'i Stories Blog*.

MLA:
Various. "A Pilgrim Meets Shoghi Effendi in Paris." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "A Pilgrim Meets Shoghi Effendi in Paris." In *Baha'i Stories Blog*, n.d..