Cita APA (7th ed.)
SpringerLink (Online service) & Martelletti, P. The Journal of Headache and Pain: Official Journal of the "European Headache Federation" and of "Lifting The Burden - The Global Campaign against Headache". Springer Milan : Imprint: Springer. https://doi.org/10.1007/10194.1129-2377
Cita Chicago (17th ed.)
SpringerLink (Online service) i Paolo Martelletti. The Journal of Headache and Pain: Official Journal of the "European Headache Federation" and of "Lifting The Burden - The Global Campaign Against Headache". Milan: Springer Milan : Imprint: Springer. https://doi.org/10.1007/10194.1129-2377.
Cita MLA (9th ed.)
SpringerLink (Online service) i Paolo Martelletti. The Journal of Headache and Pain: Official Journal of the "European Headache Federation" and of "Lifting The Burden - The Global Campaign Against Headache". Springer Milan : Imprint: Springer. https://doi.org/10.1007/10194.1129-2377.
Atenció: Aquestes cites poden no estar 100% correctes.