BibTeX:
@incollection{Various,
  author = {Various},
  title = {One of interesting incidents I remember well is about a parrot which},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/training},
}

APA:
Various. One of interesting incidents I remember well is about a parrot which. In *bahaistories.com archive*.

MLA:
Various. "One of interesting incidents I remember well is about a parrot which." *bahaistories.com archive*, n.d..

Chicago:
Various. "One of interesting incidents I remember well is about a parrot which." In *bahaistories.com archive*, n.d..