BibTeX:
@incollection{JuliaMGrundy1907,
  author = {Julia M. Grundy},
  title = {The Ark of Salvation: The Master Explains the Covenant},
  booktitle = {Ten Days in the Light of Akka},
  year = {1907},
  publisher = {Bahai Publishing Society},
  url = {https://bahai-library.com/grundy_ten_days_akka},
}

APA:
Julia M. Grundy. (1907). The Ark of Salvation: The Master Explains the Covenant. In *Ten Days in the Light of Akka*. Bahai Publishing Society.

MLA:
Julia M. Grundy. "The Ark of Salvation: The Master Explains the Covenant." *Ten Days in the Light of Akka*, Bahai Publishing Society, 1907.

Chicago:
Julia M. Grundy. "The Ark of Salvation: The Master Explains the Covenant." In *Ten Days in the Light of Akka*, Bahai Publishing Society, 1907.