APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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