APA (7th ed.) Citation

Pratchett, T. (2014). Wyrd sisters. Gollancz.

Chicago Style (17th ed.) Citation

Pratchett, Terry. Wyrd Sisters. London: Gollancz, 2014.

MLA (9th ed.) Citation

Pratchett, Terry. Wyrd Sisters. Gollancz, 2014.

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