Official ACM.

MLA

“Official ACM.” Communications of the ACM, vol. 27, no. 10, Oct. 1984, pp. 1064–66. 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=edb&AN=17880420&authtype=sso&custid=ns315887.

APA

Official ACM. (1984). Communications of the ACM, 27(10), 1064–1066.

Chicago

“Official ACM.” 1984. Communications of the ACM 27 (10): 1064–66. 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=edb&AN=17880420&authtype=sso&custid=ns315887.