BibTeX:
@incollection{ShoghiEffendi1944,
  author = {Shoghi Effendi},
  title = {Not I Speak These Words},
  booktitle = {God Passes By},
  year = {1944},
}

APA:
Shoghi Effendi. (1944). Not I Speak These Words. In *God Passes By*.

MLA:
Shoghi Effendi. "Not I Speak These Words." *God Passes By*, 1944.

Chicago:
Shoghi Effendi. "Not I Speak These Words." In *God Passes By*, 1944.