APA (7th ed.) Citation

Krall, V. (1989). A play therapy primer: Therapeutic approaches to children with emotional problems. Human Sciences Press.

Chicago Style (17th ed.) Citation

Krall, Vita. A Play Therapy Primer: Therapeutic Approaches to Children with Emotional Problems. New York: Human Sciences Press, 1989.

MLA (9th ed.) Citation

Krall, Vita. A Play Therapy Primer: Therapeutic Approaches to Children with Emotional Problems. Human Sciences Press, 1989.