APA način citiranja

 Cunningham, W. P. (2012).  Environmental science: A global concern.  McGraw-Hill Companies, Inc.

Čikaški stil citiranja

 Cunningham, William P.  Environmental Science: A Global Concern.  McGraw-Hill Companies, Inc, 2012.

MLA način citiranja

 Cunningham, William P.  Environmental Science: A Global Concern.  McGraw-Hill Companies, Inc, 2012.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.