BibTeX:
@incollection{Various,
  author = {Various},
  title = {The Egyptian Baha’i merchant who wanted to see Baha’u’llah},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2016/11/the-egyptian-bahai-merchant-who-wanted.html},
}

APA:
Various. The Egyptian Baha’i merchant who wanted to see Baha’u’llah. In *Baha'i Stories Blog*.

MLA:
Various. "The Egyptian Baha’i merchant who wanted to see Baha’u’llah." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "The Egyptian Baha’i merchant who wanted to see Baha’u’llah." In *Baha'i Stories Blog*, n.d..