Cita APA (7th ed.)

SpringerLink (Online service), Posada de la Paz, M., & Groft, S. C. (2010). Rare diseases epidemiology. Springer.

Cita Chicago (17th ed.)

SpringerLink (Online service), Manuel Posada de la Paz, i Stephen C. Groft. Rare Diseases Epidemiology. Dordrecht: Springer, 2010.

Cita MLA (8th ed.)

SpringerLink (Online service), et al. Rare Diseases Epidemiology. Springer, 2010.