Cita APA (7th ed.)

Silberstein, S. D. (1998). Headache in Clinical Practice. Book Print Limited.

Cita Chicago (17th ed.)

Silberstein, Stephen D. Headache in Clinical Practice. Barcelona: Book Print Limited, 1998.

Cita MLA (9th ed.)

Silberstein, Stephen D. Headache in Clinical Practice. Book Print Limited, 1998.