Cita APA (7a ed.)

Jacobson, E. (1929). Progressive relaxation: A physiological and clinical investigation of muscular states and their significance in psychology and medical practice. The University of Chicago Press.

Cita Chicago Style (17a ed.)

Jacobson, Edmund. Progressive Relaxation: A Physiological and Clinical Investigation of Muscular States and Their Significance in Psychology and Medical Practice. Chicago, Ill.: The University of Chicago Press, 1929.

Cita MLA (8a ed.)

Jacobson, Edmund. Progressive Relaxation: A Physiological and Clinical Investigation of Muscular States and Their Significance in Psychology and Medical Practice. The University of Chicago Press, 1929.