APA (7th ed.) Citation

O'Leary, S., & Marley, A. (2021). This is Ruby. Tundra Books.

Chicago Style (17th ed.) Citation

O'Leary, Sara, and Alea Marley. This Is Ruby. Toronto: Tundra Books, 2021.

MLA (8th ed.) Citation

O'Leary, Sara, and Alea Marley. This Is Ruby. Tundra Books, 2021.

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