APA način citiranja

Citterio, A., Sances, G., Sandrini, G., Repossi, T., & Nappi, G. (2003). Reducing the costs of headache: An Italian approach. Springer-Verlag Italia.

Čikaški stil citiranja

Citterio, Antonietta, Grazia Sances, Giorgio Sandrini, Tiziana Repossi, i Giuseppe Nappi. Reducing the Costs of Headache: An Italian Approach. Springer-Verlag Italia, 2003.

MLA način citiranja

Citterio, Antonietta, et al. Reducing the Costs of Headache: An Italian Approach. Springer-Verlag Italia, 2003.