APA (7th ed.) Citation

Sarah Khan, Barrance, R., & Russell, R. (2004). Lift-the-flap: Birds. Usborne.

Chicago Style (17th ed.) Citation

Sarah Khan, Reuben Barrance, and Ruth Russell. Lift-the-flap: Birds. London: Usborne, 2004.

MLA (9th ed.) Citation

Sarah Khan, et al. Lift-the-flap: Birds. Usborne, 2004.