APA (7th ed.) Citation

Harkness, D. (2011). A discovery of witches. Headline Publishing Group.

Chicago Style (17th ed.) Citation

Harkness, Deborah. A Discovery of Witches. London: Headline Publishing Group, 2011.

MLA (9th ed.) Citation

Harkness, Deborah. A Discovery of Witches. Headline Publishing Group, 2011.

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