APA (7th ed.) Citation

Gibbs, S. (2019). Spy School British invasion. Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Gibbs, Stuart. Spy School British Invasion. New York: Simon & Schuster Books for Young Readers, 2019.

MLA (8th ed.) Citation

Gibbs, Stuart. Spy School British Invasion. Simon & Schuster Books for Young Readers, 2019.

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