BibTeX:
@incollection{RhyyihKhnum,
  author = {Rúhíyyih Khánum},
  title = {Built from the Rear},
  booktitle = {The Priceless Pearl},
}

APA:
Rúhíyyih Khánum. Built from the Rear. In *The Priceless Pearl*.

MLA:
Rúhíyyih Khánum. "Built from the Rear." *The Priceless Pearl*, n.d..

Chicago:
Rúhíyyih Khánum. "Built from the Rear." In *The Priceless Pearl*, n.d..