Cita APA (7a ed.)

Clark, M. H. (1980). The cradle will fall. Pocket Books.

Cita Chicago Style (17a ed.)

Clark, Mary Higgins. The Cradle Will Fall. London: Pocket Books, 1980.

Cita MLA (8a ed.)

Clark, Mary Higgins. The Cradle Will Fall. Pocket Books, 1980.