APA (7th ed.) Citation

Wallace, K., & O'Neill, R. (2012). Bad rat!: Level 1A. Ticktock.

Chicago Style (17th ed.) Citation

Wallace, Karen, and Rachael O'Neill. Bad Rat!: Level 1A. London: Ticktock, 2012.

MLA (9th ed.) Citation

Wallace, Karen, and Rachael O'Neill. Bad Rat!: Level 1A. Ticktock, 2012.