APA (7th ed.) Citation

Hunter, E. (2013). A hidden enemy (First edition.). HarperCollins.

Chicago Style (17th ed.) Citation

Hunter, Erin. A Hidden Enemy. First edition. New York, NY: HarperCollins, 2013.

MLA (8th ed.) Citation

Hunter, Erin. A Hidden Enemy. First edition. HarperCollins, 2013.

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