APA (7th ed.) Citation

Farina, K., Title, & Martin, A. M. (2021). Baby-sitters little sister: Karen's worst day. Graphix, an imprint of Scholastic.

Chicago Style (17th ed.) Citation

Farina, Katy, Title, and Ann M. Martin. Baby-sitters Little Sister: Karen's Worst Day. New York: Graphix, an imprint of Scholastic, 2021.

MLA (9th ed.) Citation

Farina, Katy, et al. Baby-sitters Little Sister: Karen's Worst Day. Graphix, an imprint of Scholastic, 2021.