APA (7th ed.) Citation

Haddix, M. P., & Shalan, G. (2022). The secret letters (Unabridged.). Quill Tree Books.

Chicago Style (17th ed.) Citation

Haddix, Margaret Peterson, and Gail Shalan. The Secret Letters. Unabridged. New York: Quill Tree Books, 2022.

MLA (8th ed.) Citation

Haddix, Margaret Peterson, and Gail Shalan. The Secret Letters. Unabridged. Quill Tree Books, 2022.

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