APA (7th ed.) Citation

Caplan, F., & Caplan, T. (1973). The power of play. Anchor Press.

Chicago Style (17th ed.) Citation

Caplan, Frank, and Theresa Caplan. The Power of Play. Garden City, N.Y: Anchor Press, 1973.

MLA (9th ed.) Citation

Caplan, Frank, and Theresa Caplan. The Power of Play. Anchor Press, 1973.