APA (7th ed.) Citation

Pratchett, T., & Briggs, S. (2008). Nation. Harper Children's Audio.

Chicago Style (17th ed.) Citation

Pratchett, Terry, and Stephen Briggs. Nation. [New York, N.Y.]: Harper Children's Audio, 2008.

MLA (8th ed.) Citation

Pratchett, Terry, and Stephen Briggs. Nation. Harper Children's Audio, 2008.

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