APA (7th ed.) Citation

Clark, M. H. (1989). The anastasia syndrome: And other stories. Pocket Books.

Chicago Style (17th ed.) Citation

Clark, Mary Higgins. The Anastasia Syndrome: And Other Stories. New York: Pocket Books, 1989.

MLA (9th ed.) Citation

Clark, Mary Higgins. The Anastasia Syndrome: And Other Stories. Pocket Books, 1989.