Cite
Multistep approach quiets helicopter cockpit; noise cut 10 dB by using a damping composite, limp mass barrier, and sound-absorbing foam
MLA
Yeaple, Frank. “Multistep Approach Quiets Helicopter Cockpit; Noise Cut 10 DB by Using a Damping Composite, Limp Mass Barrier, and Sound-Absorbing Foam.” Design News, vol. v46, no. n16, Aug. 1990, p. 210. 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=edsggo&AN=edsgcl.9313543&authtype=sso&custid=ns315887.
APA
Yeaple, F. (1990, August 20). Multistep approach quiets helicopter cockpit; noise cut 10 dB by using a damping composite, limp mass barrier, and sound-absorbing foam. Design News, v46(n16), 210.
Chicago
Yeaple, Frank. 1990. “Multistep Approach Quiets Helicopter Cockpit; Noise Cut 10 DB by Using a Damping Composite, Limp Mass Barrier, and Sound-Absorbing Foam.” Design News, August 20. 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=edsggo&AN=edsgcl.9313543&authtype=sso&custid=ns315887.