APA (7th ed.) Citation

Bourgeois, P., & Slavin, B. (1990). Too many chickens. Kids Can Press.

Chicago Style (17th ed.) Citation

Bourgeois, Paulette, and Bill Slavin. Too Many Chickens. Toronto: Kids Can Press, 1990.

MLA (9th ed.) Citation

Bourgeois, Paulette, and Bill Slavin. Too Many Chickens. Kids Can Press, 1990.