Trích dẫn APA

Perkings George & Barbara Perkins. (1999). The American tradition in literature (9th ed.). McGraw Hill.

Chicago Style (17th ed.) Citation

Perkings George and Barbara Perkins. The American Tradition in Literature. 9th ed. USA: McGraw Hill, 1999.

Trích dẫn MLA

Perkings George and Barbara Perkins. The American Tradition in Literature. 9th ed. McGraw Hill, 1999.