BibTeX:
@incollection{Various,
  author = {Various},
  title = {Preparation for war conditions had been made by ‘Abdu’l-Bahá even},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/knighthood-abdul-baha},
}

APA:
Various. Preparation for war conditions had been made by ‘Abdu’l-Bahá even. In *bahaistories.com archive*.

MLA:
Various. "Preparation for war conditions had been made by ‘Abdu’l-Bahá even." *bahaistories.com archive*, n.d..

Chicago:
Various. "Preparation for war conditions had been made by ‘Abdu’l-Bahá even." In *bahaistories.com archive*, n.d..