APA (7th ed.) Citation

Buchanan, T. (2015). My sister's secret. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Buchanan, Tracy. My Sister's Secret. London: HarperCollins Publishers, 2015.

MLA (9th ed.) Citation

Buchanan, Tracy. My Sister's Secret. HarperCollins Publishers, 2015.

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