APA (7th ed.) Citation

Ruffilo, N. (2018). Practical HTML and CSS. Packt.

Chicago Style (17th ed.) Citation

Ruffilo, Nick. Practical HTML and CSS. [Place of publication not identified]: Packt, 2018.

MLA (9th ed.) Citation

Ruffilo, Nick. Practical HTML and CSS. Packt, 2018.