APA (7th ed.) Citation

Fletchers, T., & Abbott, G. (2020). There's ELF IN YOUR BOOK. PUFFIN BOOKS.

Chicago Style (17th ed.) Citation

Fletchers, Tom, and Greg Abbott. There's ELF IN YOUR BOOK. UK: PUFFIN BOOKS, 2020.

MLA (9th ed.) Citation

Fletchers, Tom, and Greg Abbott. There's ELF IN YOUR BOOK. PUFFIN BOOKS, 2020.