APA (7th ed.) Citation

Gaiman, N., & Riddell, C. (2018). Art matters. Headline.

Chicago Style (17th ed.) Citation

Gaiman, Neil, and Chris Riddell. Art Matters. London: Headline, 2018.

MLA (9th ed.) Citation

Gaiman, Neil, and Chris Riddell. Art Matters. Headline, 2018.