APA (7th ed.) Citation

Littlefield, S., & Gershell, L. (2019). That's what frenemies are for: A novel (First edition.). Ballantine Books.

Chicago Style (17th ed.) Citation

Littlefield, Sophie, and Lauren Gershell. That's What Frenemies Are for: A Novel. First edition. New York: Ballantine Books, 2019.

MLA (8th ed.) Citation

Littlefield, Sophie, and Lauren Gershell. That's What Frenemies Are for: A Novel. First edition. Ballantine Books, 2019.

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