Cite
20 green heroes and villains.
MLA
Browne, Lord, et al. “20 Green Heroes and Villains. (Cover Story).” New Statesman, vol. 138, no. 4976, Nov. 2009, pp. 28–33. 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=asx&AN=45318918&authtype=sso&custid=ns315887.
APA
Browne, Lord, Lucas, C., Lynas, M., Sauven, J., & van der Zee, B. (2009). 20 green heroes and villains. (Cover story). New Statesman, 138(4976), 28–33.
Chicago
Browne, Lord, Caroline Lucas, Mark Lynas, John Sauven, and Bibi van der Zee. 2009. “20 Green Heroes and Villains. (Cover Story).” New Statesman 138 (4976): 28–33. 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=asx&AN=45318918&authtype=sso&custid=ns315887.