BibTeX:
@incollection{Various,
  author = {Various},
  title = {On March 25, 1911, at the behest of ‘Abdu’l-Bahá, Louis Gregory sailed from New},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/marriage-interracial},
}

APA:
Various. On March 25, 1911, at the behest of ‘Abdu’l-Bahá, Louis Gregory sailed from New. In *bahaistories.com archive*.

MLA:
Various. "On March 25, 1911, at the behest of ‘Abdu’l-Bahá, Louis Gregory sailed from New." *bahaistories.com archive*, n.d..

Chicago:
Various. "On March 25, 1911, at the behest of ‘Abdu’l-Bahá, Louis Gregory sailed from New." In *bahaistories.com archive*, n.d..