Cite
Peru produces more copper, zinc, lead and silver in 2012.
MLA
Guerra, Carolina. “Peru Produces More Copper, Zinc, Lead and Silver in 2012.” Metal Bulletin Daily, Feb. 2013, p. 1. 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=113396955&authtype=sso&custid=ns315887.
APA
Guerra, C. (2013). Peru produces more copper, zinc, lead and silver in 2012. Metal Bulletin Daily, 1.
Chicago
Guerra, Carolina. 2013. “Peru Produces More Copper, Zinc, Lead and Silver in 2012.” Metal Bulletin Daily, February, 1. 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=113396955&authtype=sso&custid=ns315887.