APA (7th ed.) Citation

Barker, T. (2018). What is web performance? (First edition.). O'Reilly Media.

Chicago Style (17th ed.) Citation

Barker, Tom. What Is Web Performance? First edition. Sebastopol, CA: O'Reilly Media, 2018.

MLA (8th ed.) Citation

Barker, Tom. What Is Web Performance? First edition. O'Reilly Media, 2018.