BibTeX:
@incollection{Various,
  author = {Various},
  title = {Howard Colby Ives observed, ‘I have before spoken of His unfailing courtesy},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/courtesy},
}

APA:
Various. Howard Colby Ives observed, ‘I have before spoken of His unfailing courtesy. In *bahaistories.com archive*.

MLA:
Various. "Howard Colby Ives observed, ‘I have before spoken of His unfailing courtesy." *bahaistories.com archive*, n.d..

Chicago:
Various. "Howard Colby Ives observed, ‘I have before spoken of His unfailing courtesy." In *bahaistories.com archive*, n.d..