APA (7th ed.) Citation

Healey, E. (2018). Whistle in the dark. Penguin Books.

Chicago Style (17th ed.) Citation

Healey, Emma. Whistle in the Dark. UK: Penguin Books, 2018.

MLA (9th ed.) Citation

Healey, Emma. Whistle in the Dark. Penguin Books, 2018.

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