APA (7th ed.) Citation

Masters, A. (1997). Wicked (1. publ. in Great Britain.). Orchard Books.

Chicago Style (17th ed.) Citation

Masters, Anthony. Wicked. 1. publ. in Great Britain. London: Orchard Books, 1997.

MLA (9th ed.) Citation

Masters, Anthony. Wicked. 1. publ. in Great Britain. Orchard Books, 1997.

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