APA (7th ed.) Citation

Marcotte, E., & Brown, M. (2015). Responsive design: Patterns & principles. A Book Apart.

Chicago Style (17th ed.) Citation

Marcotte, Ethan, and Mandy Brown. Responsive Design: Patterns & Principles. New York: A Book Apart, 2015.

MLA (9th ed.) Citation

Marcotte, Ethan, and Mandy Brown. Responsive Design: Patterns & Principles. A Book Apart, 2015.