APA (7th ed.) Citation

Moriarty, S. (2015). The secrets sisters keep. Penguin Books.

Chicago Style (17th ed.) Citation

Moriarty, Sinead. The Secrets Sisters Keep. United Kingdom: Penguin Books, 2015.

MLA (9th ed.) Citation

Moriarty, Sinead. The Secrets Sisters Keep. Penguin Books, 2015.

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