APA (7th ed.) Citation

Xia, Y., Blecher, N. A., Custer, P. L., & Sieck, E. G. Optimizing topical drop efficacy with proper eyelid positioning. Elsevier.

Chicago Style (17th ed.) Citation

Xia, Yu, Nathaniel A. Blecher, Philip L. Custer, and Erin G. Sieck. Optimizing Topical Drop Efficacy with Proper Eyelid Positioning. Elsevier.

MLA (9th ed.) Citation

Xia, Yu, et al. Optimizing Topical Drop Efficacy with Proper Eyelid Positioning. Elsevier.