APA (7th ed.) Citation

Clark, M. H., & Clark, C. H. (2004). The Christmas thief. Simon & Schuster/Scribner.

Chicago Style (17th ed.) Citation

Clark, Mary Higgins, and Carol Higgins Clark. The Christmas Thief. New York: Simon & Schuster/Scribner, 2004.

MLA (9th ed.) Citation

Clark, Mary Higgins, and Carol Higgins Clark. The Christmas Thief. Simon & Schuster/Scribner, 2004.