APA (7th ed.) Citation

Null, R. L.. (2014). Universal design: Principles and models. CRC Press.

Chicago Style (17th ed.) Citation

Null, Roberta L. Universal Design: Principles and Models. Boca Raton, Florida: CRC Press, 2014.

MLA (9th ed.) Citation

Null, Roberta L. Universal Design: Principles and Models. CRC Press, 2014.