BibTeX:
@incollection{Various,
  author = {Various},
  title = {‘Abdu’l-Baha recalls an example of Baha’u’llah’s majesty and power while officially still…},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2018/02/abdul-baha-recalls-example-of.html},
}

APA:
Various. ‘Abdu’l-Baha recalls an example of Baha’u’llah’s majesty and power while officially still…. In *Baha'i Stories Blog*.

MLA:
Various. "‘Abdu’l-Baha recalls an example of Baha’u’llah’s majesty and power while officially still…." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "‘Abdu’l-Baha recalls an example of Baha’u’llah’s majesty and power while officially still…." In *Baha'i Stories Blog*, n.d..