Cite
Presbyopic contact lenses.
MLA
Sivardeen, Ahmed, and James Wolffsohn. “Presbyopic Contact Lenses.” Optometry Today, vol. 53, no. 19, Oct. 2013, pp. 49–55. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=91652573&authtype=sso&custid=ns315887.
APA
Sivardeen, A., & Wolffsohn, J. (2013). Presbyopic contact lenses. Optometry Today, 53(19), 49–55.
Chicago
Sivardeen, Ahmed, and James Wolffsohn. 2013. “Presbyopic Contact Lenses.” Optometry Today 53 (19): 49–55. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=asx&AN=91652573&authtype=sso&custid=ns315887.