BibTeX:
@incollection{LadyBlomfield,
  author = {Lady Blomfield},
  title = {You Shall Know},
  booktitle = {The Chosen Highway},
}

APA:
Lady Blomfield. You Shall Know. In *The Chosen Highway*.

MLA:
Lady Blomfield. "You Shall Know." *The Chosen Highway*, n.d..

Chicago:
Lady Blomfield. "You Shall Know." In *The Chosen Highway*, n.d..