BibTeX:
@incollection{Various,
  author = {Various},
  title = {‘Abdu’l-Baha’s surprising response to two believers trying to identify the most…},
  booktitle = {Baha'i Stories Blog},
  url = {https://bahaistories.blogspot.com/2020/05/abdul-bahas-surprising-response-to-two.html},
}

APA:
Various. ‘Abdu’l-Baha’s surprising response to two believers trying to identify the most…. In *Baha'i Stories Blog*.

MLA:
Various. "‘Abdu’l-Baha’s surprising response to two believers trying to identify the most…." *Baha'i Stories Blog*, n.d..

Chicago:
Various. "‘Abdu’l-Baha’s surprising response to two believers trying to identify the most…." In *Baha'i Stories Blog*, n.d..