Trích dẫn APA

Perkins George. (1999). The American tradition in literature (Ninth edition.). McGraw Hill.

Chicago Style (17th ed.) Citation

Perkins George. The American Tradition in Literature. Ninth edition. New York: McGraw Hill, 1999.

Trích dẫn MLA

Perkins George. The American Tradition in Literature. Ninth edition. McGraw Hill, 1999.