APA Style

Asbell, P, A., Lemp, M, A. (2006). Dry Eye Disease: The Clinician's Guide to Diagnosis and Treatment . New York: Thieme Medical Publishers.

MLA Style

Asbell, Penny, A., Lemp, Michael, A. "Dry Eye Disease: The Clinician's Guide to Diagnosis and Treatment". New York: Thieme Medical Publishers, 2006. print.