Keene. (1968). The spider sapphire mystery. Grosset & Dunlap.
Chicago Style (17th ed.) CitationKeene. The Spider Sapphire Mystery. New York: Grosset & Dunlap, 1968.
MLA (8th ed.) CitationKeene. The Spider Sapphire Mystery. Grosset & Dunlap, 1968.
Warning: These citations may not always be 100% accurate.