Cita APA (7a ed.)

Furth, G. M. (1988). The Secret World of Drawings: Healing through art. Sigo Press.

Cita Chicago Style (17a ed.)

Furth, Gregg M. The Secret World of Drawings: Healing Through Art. Boston: Sigo Press, 1988.

Cita MLA (8a ed.)

Furth, Gregg M. The Secret World of Drawings: Healing Through Art. Sigo Press, 1988.