APA Format
Pratchett, Terry. (2005).
A Hat full of sky / Terry Pratchett
. New York :: Harper Trophy,.
MLA Format
Pratchett, Terry.
A Hat full of sky / Terry Pratchett
. New York :: Harper Trophy,, 2005
Chicago Format
Pratchett, Terry. A Hat full of sky / Terry Pratchett. New York :: Harper Trophy,, 2005.