BibTeX:
@incollection{Various,
  author = {Various},
  title = {One day during a school vacation, some Bahá’í students who were},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/tablets-divine-plan},
}

APA:
Various. One day during a school vacation, some Bahá’í students who were. In *bahaistories.com archive*.

MLA:
Various. "One day during a school vacation, some Bahá’í students who were." *bahaistories.com archive*, n.d..

Chicago:
Various. "One day during a school vacation, some Bahá’í students who were." In *bahaistories.com archive*, n.d..