APA Citation

 Perkins, G. (2007).  The American tradition in literature.  McGraw-Hill.

Trích dẫn kiểu Chicago

 Perkins, George.  The American Tradition in Literature.  McGraw-Hill, 2007.

MLA Citation

 Perkins, George.  The American Tradition in Literature.  McGraw-Hill, 2007.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.