APA (7th ed.) Citation

Keene, C. (1996). Nancy's mysterious letter (8). Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Keene, Carolyn. Nancy's Mysterious Letter (8). New York: Grosset & Dunlap, 1996.

MLA (9th ed.) Citation

Keene, Carolyn. Nancy's Mysterious Letter (8). Grosset & Dunlap, 1996.

Warning: These citations may not always be 100% accurate.