APA (7th ed.) Citation

Ruby, L. (2017). The shadow cipher (First edition.). Walden Pond Press, an imprint of HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Ruby, Laura. The Shadow Cipher. First edition. New York, NY: Walden Pond Press, an imprint of HarperCollins Publishers, 2017.

MLA (9th ed.) Citation

Ruby, Laura. The Shadow Cipher. First edition. Walden Pond Press, an imprint of HarperCollins Publishers, 2017.