APA Style
Cunningham, William P., Cunningham, Mary Ann. (2012).
Environmental Science: A Global Concern, Twelfth Edition (12th).
New York:
The McGraw-Hill Companies, Inc..
Chicago Style
Cunningham, William P., Cunningham, Mary Ann.
Environmental Science: A Global Concern, Twelfth Edition.
12th
New York:
The McGraw-Hill Companies, Inc.,
2012.
Text.
MLA Style
Cunningham, William P., Cunningham, Mary Ann.
Environmental Science: A Global Concern, Twelfth Edition.
12th
New York:
The McGraw-Hill Companies, Inc.,
2012.
Text.
Turabian Style
Cunningham, William P., Cunningham, Mary Ann.
Environmental Science: A Global Concern, Twelfth Edition.
12th
New York:
The McGraw-Hill Companies, Inc.,
2012.
Print.