MLA

Tr??eb, Ralph M, and Ralph M Trüeb. The Difficult Hair Loss Patient. Springer International Publishing, 2015.

APA

Tr??eb, R. M, & Trüeb, R. M. (2015). The Difficult Hair Loss Patient. Springer International Publishing.

Chicago

Tr??eb, Ralph M., and Ralph M Trüeb. The Difficult Hair Loss Patient. : Springer International Publishing, 2015.