APA (7th ed.) Citation

Kirsten, G., & Robertiello, R. (1978). Big You, Little You: Separation therapy. A Kangaroo Books.

Chicago Style (17th ed.) Citation

Kirsten, Grace, and Richard Robertiello. Big You, Little You: Separation Therapy. New York: A Kangaroo Books, 1978.

MLA (9th ed.) Citation

Kirsten, Grace, and Richard Robertiello. Big You, Little You: Separation Therapy. A Kangaroo Books, 1978.