BibTeX:
@incollection{Various,
  author = {Various},
  title = {When Shoghi Effendi completed the construction of the Shrine of the},
  booktitle = {bahaistories.com archive},
  url = {https://bahaistories.com/subject/shrine-bab},
}

APA:
Various. When Shoghi Effendi completed the construction of the Shrine of the. In *bahaistories.com archive*.

MLA:
Various. "When Shoghi Effendi completed the construction of the Shrine of the." *bahaistories.com archive*, n.d..

Chicago:
Various. "When Shoghi Effendi completed the construction of the Shrine of the." In *bahaistories.com archive*, n.d..