APA Citation

Krishnan, A., & Silver, N. (2009). Headache (chronic tension-type). BMJ Publishing Group.

Citação norma Chicago

Krishnan, Anita, and Nicholas Silver. Headache (chronic Tension-type). BMJ Publishing Group, 2009.

MLA Citation

Krishnan, Anita, and Nicholas Silver. Headache (chronic Tension-type). BMJ Publishing Group, 2009.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.