BibTeX:
@incollection{LadyBlomfield,
  author = {Lady Blomfield},
  title = {A Plant for His Garden},
  booktitle = {The Chosen Highway},
}

APA:
Lady Blomfield. A Plant for His Garden. In *The Chosen Highway*.

MLA:
Lady Blomfield. "A Plant for His Garden." *The Chosen Highway*, n.d..

Chicago:
Lady Blomfield. "A Plant for His Garden." In *The Chosen Highway*, n.d..