Cita APA (7a ed.)

Bakal, D. A. (1982). The psychobiology of chronic headache. Springer.

Cita Chicago Style (17a ed.)

Bakal, Donald A. The Psychobiology of Chronic Headache. New York: Springer, 1982.

Cita MLA (9a ed.)

Bakal, Donald A. The Psychobiology of Chronic Headache. Springer, 1982.