APA (7th ed.) Citation

Crossley-Holland, K., & Riddell, C. (2021). Arthur: The always king (First published.). Walker Books.

Chicago Style (17th ed.) Citation

Crossley-Holland, Kevin, and Chris Riddell. Arthur: The Always King. First published. London: Walker Books, 2021.

MLA (9th ed.) Citation

Crossley-Holland, Kevin, and Chris Riddell. Arthur: The Always King. First published. Walker Books, 2021.