A Vocabulary for Numerical Control.

MLA

Campbell, Clifton Paul. A Vocabulary for Numerical Control. Jan. 1980. 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=eric&AN=ED191739&authtype=sso&custid=ns315887.

APA

Campbell, C. P. (1980). A Vocabulary for Numerical Control.

Chicago

Campbell, Clifton Paul. 1980. “A Vocabulary for Numerical Control,” January. 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=eric&AN=ED191739&authtype=sso&custid=ns315887.