APA (7th ed.) Citation

Blume, J., & Aitken, A. (1981). The one in the middle is the green kangaroo. Bradbury Press.

Chicago Style (17th ed.) Citation

Blume, Judy, and Amy Aitken. The One in the Middle Is the Green Kangaroo. Scarsdale, N.Y.: Bradbury Press, 1981.

MLA (9th ed.) Citation

Blume, Judy, and Amy Aitken. The One in the Middle Is the Green Kangaroo. Bradbury Press, 1981.