APA (7th ed.) Citation

Oseman, A., & Oseman, A. (2021). Heartstopper. Graphix, an Imprint of Scholastic.

Chicago Style (17th ed.) Citation

Oseman, Alice, and Alice Oseman. Heartstopper. New York: Graphix, an Imprint of Scholastic, 2021.

MLA (9th ed.) Citation

Oseman, Alice, and Alice Oseman. Heartstopper. Graphix, an Imprint of Scholastic, 2021.

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