MLA

Samples, John R, and Paul N Schacknow. Clinical Glaucoma Care. Springer New York, 2014.

APA

Samples, J. R, & Schacknow, P. N. (2014). Clinical Glaucoma Care. Springer New York.

Chicago

Samples, John R., and Paul N Schacknow. Clinical Glaucoma Care. : Springer New York, 2014.