APA (7th ed.) Citation

Horowitz, A. (2025). Marble Hall murders / Anthony Horowitz. Penguin Books.

Chicago Style (17th ed.) Citation

Horowitz, Anthony. Marble Hall Murders / Anthony Horowitz. London: Penguin Books, 2025.

MLA (9th ed.) Citation

Horowitz, Anthony. Marble Hall Murders / Anthony Horowitz. Penguin Books, 2025.

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