The 1968 high school science institute.

MLA

Wallis, N. E. “The 1968 High School Science Institute.” Journal of the American Optometric Association, vol. 40, no. 6, June 1969, pp. 617–19. 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=cmedm&AN=5789181&authtype=sso&custid=ns315887.

APA

Wallis, N. E. (1969). The 1968 high school science institute. Journal of the American Optometric Association, 40(6), 617–619.

Chicago

Wallis, N E. 1969. “The 1968 High School Science Institute.” Journal of the American Optometric Association 40 (6): 617–19. 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=cmedm&AN=5789181&authtype=sso&custid=ns315887.