APA (7th ed.) Citation

(2010). Being Cheryl (1. publ. in Great Britain.). Michael O'Mara.

Chicago Style (17th ed.) Citation

Being Cheryl. 1. publ. in Great Britain. London: Michael O'Mara, 2010.

MLA (9th ed.) Citation

Being Cheryl. 1. publ. in Great Britain. Michael O'Mara, 2010.

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