APA Style
Duffy, Karen G.. (2007).
Annual editions : psychology 2007-2008 (thirty-seventh edition).
Dubuque, IA ::
McGraw-Hill.
Chicago Style
Duffy, Karen G..
Annual editions : psychology 2007-2008.
thirty-seventh edition
Dubuque, IA ::
McGraw-Hill,
2007.
Text.
MLA Style
Duffy, Karen G..
Annual editions : psychology 2007-2008.
thirty-seventh edition
Dubuque, IA ::
McGraw-Hill,
2007.
Text.
Turabian Style
Duffy, Karen G..
Annual editions : psychology 2007-2008.
thirty-seventh edition
Dubuque, IA ::
McGraw-Hill,
2007.
Print.