APA Citation

Duffy, K. G. (2002). Psychology (02/03). USA: Mc graw-hill.

Chicago Style Citation

Duffy, Karen G. Psychology (02/03). USA: Mc graw-hill, 2002.

MLA Citation

Duffy, Karen G. Psychology (02/03). USA: Mc graw-hill, 2002.

Warning: These citations may not always be 100% accurate.