APA (7th ed.) Citation

Harrold, A., & Todd, J. (2018). Greta zargo and the amoeba nonsters from the middle of the earth. Bloomsbury Children's Books.

Chicago Style (17th ed.) Citation

Harrold, A.F, and Joe Todd. Greta Zargo and the Amoeba Nonsters from the Middle of the Earth. London: Bloomsbury Children's Books, 2018.

MLA (9th ed.) Citation

Harrold, A.F, and Joe Todd. Greta Zargo and the Amoeba Nonsters from the Middle of the Earth. Bloomsbury Children's Books, 2018.