APA (7th ed.) Citation

Ellertsen, Bjørn, & Universitetet i Bergen. (1987). Migraine and tension headache: Psychophysiology, personality, and therapy.

Chicago Style (17th ed.) Citation

Ellertsen, Bjørn, and Universitetet i Bergen. Migraine and Tension Headache: Psychophysiology, Personality, and Therapy. 1987.

MLA (8th ed.) Citation

Ellertsen, Bjørn, and Universitetet i Bergen. Migraine and Tension Headache: Psychophysiology, Personality, and Therapy. 1987.

Warning: These citations may not always be 100% accurate.