APA (7th ed.) Citation

Gray, D., Brown, S., & Macanufo, J. (2017). 10 essentials for gamestorming. O'Reilly.

Chicago Style (17th ed.) Citation

Gray, David, Sunni Brown, and James Macanufo. 10 Essentials for Gamestorming. [Place of publication not identified]: O'Reilly, 2017.

MLA (9th ed.) Citation

Gray, David, et al. 10 Essentials for Gamestorming. O'Reilly, 2017.