APA (7th ed.) Citation

Keene, C. (1994). Nancy's mysterious letter. Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Keene, Carolyn. Nancy's Mysterious Letter. New York: Grosset & Dunlap, 1994.

MLA (8th ed.) Citation

Keene, Carolyn. Nancy's Mysterious Letter. Grosset & Dunlap, 1994.

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