SpringerLink (Online service), Gordon, K. B., & Ruderman, E. M. (2005). Psoriasis and Psoriatic Arthritis: An Integrated Approach. Springer Berlin Heidelberg.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Kenneth B. Gordon, and Eric M. Ruderman. Psoriasis and Psoriatic Arthritis: An Integrated Approach. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Psoriasis and Psoriatic Arthritis: An Integrated Approach. Springer Berlin Heidelberg, 2005.
Warning: These citations may not always be 100% accurate.