MLA

Jacobson, Edmund. Progressive Relaxation : a Physiological and Clinical Investigation of Muscular States and Their Significance In Psychology and Medical Practice. Third impression Chicago, Ill.,: The University of Chicago Press, 1931.

APA

Jacobson, E. (1931). Progressive relaxation : a physiological and clinical investigation of muscular states and their significance in psychology and medical practice. Third impression Chicago, Ill.,: The University of Chicago Press.

Chicago

Jacobson, Edmund, Progressive Relaxation: A Physiological and Clinical Investigation of Muscular States and Their Significance In Psychology and Medical Practice. Third impression Chicago, Ill.,: The University of Chicago Press, 1931.