APA (7th ed.) Citation

Queirós, R. (2019). CSS preprocessing: Tools and automation techniques.

Chicago Style (17th ed.) Citation

Queirós, Ricardo. CSS Preprocessing: Tools and Automation Techniques. 2019.

MLA (8th ed.) Citation

Queirós, Ricardo. CSS Preprocessing: Tools and Automation Techniques. 2019.

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