BibTeX:
@incollection{StaroftheWestEditors1912,
  author = {Star of the West Editors},
  title = {May Maxwell's Letter from Montreal},
  booktitle = {Star of the West},
  year = {1912},
  publisher = {Bahai News Service},
  url = {https://bahai-library.com/star_of_the_west_volume_1},
}

APA:
Star of the West Editors. (1912). May Maxwell's Letter from Montreal. In *Star of the West*. Bahai News Service.

MLA:
Star of the West Editors. "May Maxwell's Letter from Montreal." *Star of the West*, Bahai News Service, 1912.

Chicago:
Star of the West Editors. "May Maxwell's Letter from Montreal." In *Star of the West*, Bahai News Service, 1912.