APA (7th ed.) Citation

Farrar, J., & Farrar, S. (1990). Spells and how they work (1. publ. in Great Britain.). Hale.

Chicago Style (17th ed.) Citation

Farrar, Janet, and Stewart Farrar. Spells and How They Work. 1. publ. in Great Britain. London: Hale, 1990.

MLA (8th ed.) Citation

Farrar, Janet, and Stewart Farrar. Spells and How They Work. 1. publ. in Great Britain. Hale, 1990.