APA (7th ed.) Citation

Clark, M. H., & Clark, C. H. (2006). Santa cruise: A holiday mystery at sea. Simon & Schuster / Scribner.

Chicago Style (17th ed.) Citation

Clark, Mary Higgins, and Carol Higgins Clark. Santa Cruise: A Holiday Mystery at Sea. New York: Simon & Schuster / Scribner, 2006.

MLA (9th ed.) Citation

Clark, Mary Higgins, and Carol Higgins Clark. Santa Cruise: A Holiday Mystery at Sea. Simon & Schuster / Scribner, 2006.