MLA

Adam J. Cohen, David A. Weinberg, Adam J Cohen, and David A Weinberg. Evaluation and Management of Blepharoptosis. Springer New York, 2011.

APA

Adam J. Cohen, D. A. Weinberg, Cohen, A. J, & Weinberg, D. A. (2011). Evaluation and Management of Blepharoptosis. Springer New York.

Chicago

Adam J. Cohen, David A. Weinberg, Adam J Cohen, and David A Weinberg. Evaluation and Management of Blepharoptosis. : Springer New York, 2011.