APA (7th ed.) Citation

Pratchett, T., & Briggs, S. (2005). Thud! Harper Audio.

Chicago Style (17th ed.) Citation

Pratchett, Terry, and Stephen Briggs. Thud! [New York, N.Y.]: Harper Audio, 2005.

MLA (9th ed.) Citation

Pratchett, Terry, and Stephen Briggs. Thud! Harper Audio, 2005.

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