APA (7th ed.) Citation

Clark, M. H. (1980). The cradle will fall/Mary Higgins Clark. Fontana Collins.

Chicago Style (17th ed.) Citation

Clark, Mary Higgins. The Cradle Will Fall/Mary Higgins Clark. Great Britain: Fontana Collins, 1980.

MLA (9th ed.) Citation

Clark, Mary Higgins. The Cradle Will Fall/Mary Higgins Clark. Fontana Collins, 1980.