ScienceDirect (Online service), Stein, H. A., Stein, R. M., & Freeman, M. I. (2013). The ophthalmic assistant: A text for allied and associated ophthalmic personnel (Ninth Edition.). Saunders/Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Harold A. Stein, Raymond M. Stein, and Melvin I. Freeman. The Ophthalmic Assistant: A Text for Allied and Associated Ophthalmic Personnel. Ninth Edition. Edinburgh ; New York: Saunders/Elsevier, 2013.
MLA (9th ed.) CitationScienceDirect (Online service), et al. The Ophthalmic Assistant: A Text for Allied and Associated Ophthalmic Personnel. Ninth Edition. Saunders/Elsevier, 2013.
Warning: These citations may not always be 100% accurate.