APA (7th ed.) Citation

Willis, J., & Ross, T. (2012). Hippospotamus (American ed.). Andersen Press USA : Distributed in the United States by Lerner.

Chicago Style (17th ed.) Citation

Willis, Jeanne, and Tony Ross. Hippospotamus. American ed. Minneapolis: Andersen Press USA : Distributed in the United States by Lerner, 2012.

MLA (8th ed.) Citation

Willis, Jeanne, and Tony Ross. Hippospotamus. American ed. Andersen Press USA : Distributed in the United States by Lerner, 2012.

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