BibTeX:
@incollection{Various,
  author = {Various},
  title = {The demands on ‘Abdu’l-Bahá’s time were constant},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/compassion},
}

APA:
Various. The demands on ‘Abdu’l-Bahá’s time were constant. In *bahaistories.com archive*.

MLA:
Various. "The demands on ‘Abdu’l-Bahá’s time were constant." *bahaistories.com archive*, n.d..

Chicago:
Various. "The demands on ‘Abdu’l-Bahá’s time were constant." In *bahaistories.com archive*, n.d..