APA (7th ed.) Citation

Kelly, E. E. (2017). Hello, universe (First edition.). Greenwillow Books, an imprint of HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Kelly, Erin Entrada. Hello, Universe. First edition. New York, NY: Greenwillow Books, an imprint of HarperCollins Publishers, 2017.

MLA (9th ed.) Citation

Kelly, Erin Entrada. Hello, Universe. First edition. Greenwillow Books, an imprint of HarperCollins Publishers, 2017.

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