MLA

Ramos-Casals, Manuel, John H Stone, and Haralampos M Moutsopoulos. Sjögren’s Syndrome. Springer London, 2012.

APA

Ramos-Casals, M., Stone, J. H, & Moutsopoulos, H. M. (2012). Sjögren’s Syndrome. Springer London.

Chicago

Ramos-Casals, Manuel, John H Stone, and Haralampos M Moutsopoulos. Sjögren’s Syndrome. : Springer London, 2012.