APA (7th ed.) Citation

Higgins, S. The Nightmare Ninja. Little, Brown Books For Young Readers.

Chicago Style (17th ed.) Citation

Higgins, Simon. The Nightmare Ninja. Little, Brown Books For Young Readers.

MLA (8th ed.) Citation

Higgins, Simon. The Nightmare Ninja. Little, Brown Books For Young Readers.

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