BibTeX:
@incollection{Various,
  author = {Various},
  title = {On 5 May, ‘Abdu’l-Bahá met with a group of 35 children in the hotel salon},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/abdul-baha-and-children},
}

APA:
Various. On 5 May, ‘Abdu’l-Bahá met with a group of 35 children in the hotel salon. In *bahaistories.com archive*.

MLA:
Various. "On 5 May, ‘Abdu’l-Bahá met with a group of 35 children in the hotel salon." *bahaistories.com archive*, n.d..

Chicago:
Various. "On 5 May, ‘Abdu’l-Bahá met with a group of 35 children in the hotel salon." In *bahaistories.com archive*, n.d..