Cita APA (7a ed.)

Mitchell, R. R., & Friedman, H. S. (1994). Sandplay: Past, present, and future. Routledge.

Cita Chicago Style (17a ed.)

Mitchell, Rie Rogers, y Harriet S. Friedman. Sandplay: Past, Present, and Future. London ; New York: Routledge, 1994.

Cita MLA (9a ed.)

Mitchell, Rie Rogers, y Harriet S. Friedman. Sandplay: Past, Present, and Future. Routledge, 1994.