Cita APA (7a ed.)

Friedman, A. P. (1978). Symposium on headache and related pain syndromes. Saunders.

Cita Chicago Style (17a ed.)

Friedman, Arnold P. Symposium on Headache and Related Pain Syndromes. Philadelphia: Saunders, 1978.

Cita MLA (8a ed.)

Friedman, Arnold P. Symposium on Headache and Related Pain Syndromes. Saunders, 1978.