Cita APA (7th ed.)

Jacobson, K. (1970). Developing: The negative technique (17th ed.). Focal Press.

Cita Chicago (17th ed.)

Jacobson, Kurt. Developing: The Negative Technique. 17th ed. London: Focal Press, 1970.

Cita MLA (9th ed.)

Jacobson, Kurt. Developing: The Negative Technique. 17th ed. Focal Press, 1970.