APA (7th ed.) Citation

Cavallaro, B., & Henry, E. (2019). Hello Girls. HarperCollins PUblisher.

Chicago Style (17th ed.) Citation

Cavallaro, Brittany, and Emily Henry. Hello Girls. HarperCollins PUblisher, 2019.

MLA (8th ed.) Citation

Cavallaro, Brittany, and Emily Henry. Hello Girls. HarperCollins PUblisher, 2019.

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