BibTeX:
@incollection{Various,
  author = {Various},
  title = {Some evenings His meal consisted only of a cup of milk and a piece of bread},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/diet},
}

APA:
Various. Some evenings His meal consisted only of a cup of milk and a piece of bread. In *bahaistories.com archive*.

MLA:
Various. "Some evenings His meal consisted only of a cup of milk and a piece of bread." *bahaistories.com archive*, n.d..

Chicago:
Various. "Some evenings His meal consisted only of a cup of milk and a piece of bread." In *bahaistories.com archive*, n.d..