APA (7th ed.) Citation

Pratchett, T. (2003). Monstrous regiment: A novel of Discworld. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Pratchett, Terry. Monstrous Regiment: A Novel of Discworld. New York: HarperCollins Publishers, 2003.

MLA (9th ed.) Citation

Pratchett, Terry. Monstrous Regiment: A Novel of Discworld. HarperCollins Publishers, 2003.

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