APA Style
Duffy, Karen G.. (2008).
Annual editions : psychology 2008 / 2009 .
Dubuque, IA ::
McGraw-Hill.
Chicago Style
Duffy, Karen G..
Annual editions : psychology 2008 / 2009.
Dubuque, IA ::
McGraw-Hill,
2008.
Text.
MLA Style
Duffy, Karen G..
Annual editions : psychology 2008 / 2009.
Dubuque, IA ::
McGraw-Hill,
2008.
Text.
Turabian Style
Duffy, Karen G..
Annual editions : psychology 2008 / 2009.
Dubuque, IA ::
McGraw-Hill,
2008.
Print.