MLA

Hahn, Eugene F. Stuttering, Significant Theories and Therapies. 2nd ed. Stanford (Calif.): Stanford University Press, 1956.

APA

Hahn, E. F. (1956). Stuttering, significant Theories and Therapies. 2nd ed. Stanford (Calif.): Stanford University Press.

Chicago

Hahn, Eugene F., Stuttering, Significant Theories and Therapies. 2nd ed. Stanford (Calif.): Stanford University Press, 1956.