A new pachymeter -- the 300G.

MLA

Harvey, Bill. “A New Pachymeter -- the 300G.” Optician, vol. 229, no. 5998, Apr. 2005, pp. 25–26. 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=17017836&authtype=sso&custid=ns315887.

APA

Harvey, B. (2005). A new pachymeter -- the 300G. Optician, 229(5998), 25–26.

Chicago

Harvey, Bill. 2005. “A New Pachymeter -- the 300G.” Optician 229 (5998): 25–26. 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=17017836&authtype=sso&custid=ns315887.