MLA

Ehlers, Ulf-Daniel, et al. Skin Manifestations In Rheumatic Disease. Springer New York, 2014.

APA

Ehlers, U., Matucci-Cerinic, M., Fiorentino, D., & Furst, D. (2014). Skin Manifestations in Rheumatic Disease. Springer New York.

Chicago

Ehlers, Ulf-Daniel, Marco Matucci-Cerinic, David Fiorentino, and Daniel Furst. Skin Manifestations In Rheumatic Disease. : Springer New York, 2014.