APA (7th ed.) Citation

Hughes, K. (2016). The secret. Headline Publishing Group.

Chicago Style (17th ed.) Citation

Hughes, Kathryn. The Secret. London: Headline Publishing Group, 2016.

MLA (9th ed.) Citation

Hughes, Kathryn. The Secret. Headline Publishing Group, 2016.

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