Psoriasis and Psoriatic Arthritis

MLA

Gordon, Kenneth B.; Ruderman, Eric M, Kenneth B Gordon, and Eric M Ruderman. Psoriasis and Psoriatic Arthritis. Springer Berlin Heidelberg, 2005.

APA

Gordon, E. M, Gordon, K. B, & Ruderman, E. M. (2005). Psoriasis and Psoriatic Arthritis. Springer Berlin Heidelberg.

Chicago

Gordon, Kenneth B.; Ruderman, Eric M., Kenneth B Gordon, and Eric M Ruderman. Psoriasis and Psoriatic Arthritis. : Springer Berlin Heidelberg, 2005.